Radio frequency counter

Radio frequency counter

With different gate time settings the display accuracy can be selected from 1 kHz over 100 and 10 to 1Hz. To get a constant frequency reading the thing has to be 'fed' a constant frequency. Own yours today! LCD screen displays frequency of a bug or spy camera being detected! The Texas Ranger FC-390 is a universal frequency counter which indicates the frequency of the selected channel. CTCSS/DCS Decoder. 3). , it was hosted by OpenTLD Web Network TK. LCD Frequency Counter - This frequency counter module is intended as a "digital dial" frequency readout for portable QRP radio tranceivers. (In the picture below you'll notice the radio has burnt out LED's but the counter tells us we're on channel 38 (27. The top supplying countries are China (Mainland), Hong Kong, and Thailand, which supply 94%, 5%, and 1% of radio frequency counter respectively. West, Toronto Ontario M3N1V7 Tel: 416-667-1000 sales@radioworld. Planck's formula). This is a PIC keyer I wrote several years ago that can be used as an outboard keyer, internal to an existing rig, or as a CW beacon. It is designed for use wireless with internal 9v battery and any antenna. This is particularly true for testing in the audio frequency range as the PC sound-card/device is the basis for most of the applications. Product Description. I have an MFJ-888 counter and the one sold by Radio Shack a few years ago and both do just fine. (VE3VXO has also ported this code to the PIC18 series. Teach or learn about digital frequency counters with this simple low cost meter electronic kit from MadLab. It very well may be the radio not the counter. 4 MHz one! 100 kHz crystal instead of a 6. net is a Web site dedicated to ham radio (amateur radio). de This paper provides a survey on radio frequency identification (RFID) technology. Counter provides exceptionally stable readings and has excellent input sensitivity thanks Radio frequency detector - PRO-W10GX is a professional device for counter surveillance. 4335 Steeles Ave. 8 GHz. 2011-01-21 · It has decent rating among Ham radio guys, But if you can wait and have no pressing need right now, write down specifically your accuracy limits, say in ppm, frequency stability in ppm, and number of displayed digits. VC3165 Radio Frequency Counter RF Meter 0. Set a noise level so new event is not triggered until the signal has first passed this level. Economy Hidden Bug Detector with Radio Frequency and Lens Finder is rated 2. Covers the entire frequency range of 30 2009-01-20 · Any of the inexpensive frequency counters you mentioned will work for you. com/thing:1257810Frequency counter enclosure. Amounts shown in italicized text are for items listed in currency other than Canadian dollars and are approximate conversions to Canadian dollars based upon Bloomberg's conversion rates. it is the tool of choice for maintenance personnel ,test frequency …If you want to buy cheap frequency counter, choose frequency counter from banggood. This is my super-simple frequency counter designed to be used for amateur radio, all for about $10. To test the Frequency Meter, we are going to make a dummy signal generator. but the problem is fm frequency range is 88-108 mhz ,but my counter only able to handle up to 50 mhz. All this time it was owned by Freedom Registry Inc. It endeavors to provide the products that you want, offering the best bang for your buck. In conclusion, I definitely recommend this kit for anyone interested in building their own inexpensive crystal oscillator tester + frequency counter. Victor Frequency Counter VC-3165 product reviews by real people like you. Our current line of frequency counters include the Cub, M1, M1TCXO, Scout, Digital Scout, CD100, Spectrum Scout and Power Counter. 1 x GY560 mini Frequency Counter for Two Way Radio Transceiver GSM 50 MHz-2. Author: 26TANGOMIKE037Views: 2. IK3OIl FLL frequency counter and microprocessor controlled VFO stabilizer being used successfully in many of our Bitx Kits. On power up, the kHz and 100 Hz digits are displayed. Ramsey HR40C 40 Meter QRP Amateur Radio Receiver Kit Many of my friends have built the DL4YHF Frequency Counter kit that we sell and many more are in the process of building it. 4 GHz. It is extremely useful bench test equipment for testing and measuring frequency of oscillators, transmitters, radio receivers, function generators, crystals, etc. It excels at finding frequencies for secure monitoring applications. com/pdf/Data Sheets/ST Microelectronics PDFS · PDF filetda7427 am-fm radio frequency synthesizer and if counter on-chip reference oscillator and programmable if counter vhf input and precounter for fre-A frequency counter is an electronic instrument, or component of one, that is used for measuring frequency. Lab bench device that counts signals from below 500MHz to above 12 GHz. ” The frequency counter described in this article was designed by Rubens Fernandes after he was unable to find an instrument with all of the features that he wanted at a reasonable price. The gate opens, a certain number of cycles of input signal are counted as they occur, then the gate closes again and you get a reading in Hz, kHz, or MHz. The count is given as coded output from the IC (in binary form or BCD form). It allows to know frequency from all transceiver working between 1 to 1000Mhz, and decoding codes "CTCSS" and "DCS". The Marine Radio History This is the support page for the simple frequency counter project in Homebrew, RadCom October 2006. 5385A HP Frequency Counter $195. Unfollow radio frequency counter to stop getting updates on your eBay Feed. Select Full package if you need prescaler to measure radio frequency signals. DJ3KK SPRAT CW Announced Frequency Counter. Frequency meter electronic kit Click the image for a larger view. My plans to use all homemade equipment for this test did not get accomplished. DMR Radio signal e frequency counter. In the United States, regulatory responsibility for the radio spectrum is divided between the Federal Communications Commission (FCC) and the National Telecommunications and Information Administration (NTIA). Only at eHam. So, where in a SSB transmitter is the transmit frequency determined? 344 results for radio frequency counter Save radio frequency counter to get e-mail alerts and updates on your eBay Feed. If you add a pre-scaler (divide by N) you can then change the code to multiply the displayed frequency by the pre-scale division and see the actual input frequency. All connectors, wiring, hardware and instructions are included. A more complex method is reciprocal counting . The service is AM but also allows for SSB operation on radios that are capable. 01Hz-2. Perhaps by the next test, I will have the receiver working well enough to use (W3WD). i tested it with 16 mhz crystal oscillator, and my counter showing me 16/4 value ie = 4 mhz(3. Set its gate to one per second. But there are many you can’t see or hear or feel, such as ultraviolet radiation, infrared, electromagnetic or radio waves. Radio frequency counter products are most popular in Western Europe, Northern Europe, and Southern Europe. Precise frequencies are also required in radio communications. Many guys here were asking for a frequency counter and at last I got enough time to make one. There are 40 channels, designated 1 through 40. So [Todd] has set out to build an Arduino frequency counter for a Kenwood TS A-1 Telecom is a wholesale distributor of electronics goods. 60MHz Frequency Meter / Counter measures frequency from 10Hz to 60MHz with 10Hz resolution. The Stryker SR-655-HPC is the newest addition from Stryker. Active radio frequency countermeasures are also essential. It’s finished I guess, so this will probably be the last post about it! As a frequency counter: The first time power is applied to the digital dial, it will power up in the frequency counter mode. Frequency counter How does a frequency counter work Interval timer How to use a counter Specifications Accuracy Frequency counters are test instruments used in many applications associated with radio frequency engineering to measure the frequency of signals very accurately. Frequency counter / Digital Dial The Digital Dial is primarily intended to be used as a simple means of adding a digital frequency read out to single band QRP radios. The device operates in the frequency range from 0-10 GHz which enables convenient operationHas Spectrum Analyzer, Signal generator, Frequency counter and built in Digital Power meter up to +40DBm. Frequency,period and equal-precision measuring. Only logged in customers who have purchased this product may leave a review. 01 Hz to 2. 1s, 1s, 10s or 100s. The kit is easy to solder except one SMD socket for mini USB. 1 to 2. 4 GHz: Frequency Counters & Pulse Generators PLJ-6LED-A RF Signal Frequency Counter Cymometer Tester 0. The Frequency Counter dialog can be invoked from the Options Menu or toggled open or closed directly via CTRL+F. 405 mhz ( channel 40 ) check for 27. 965 mhz on band E. In physics and engineering disciplines, such as optics, acoustics, and radio, frequency is usually denoted by a Latin letter f or by the Greek letter . Is there is such a thing as a frequency counter that will also show the subaudible tone being used by the radio transmitter? I understand some high end scanners have this feature. You are asking a simple question that covers almost every fundamental area of radios. 241 results for radio frequency counter Save radio frequency counter to get email alerts and updates on your eBay Feed. This portable frequency counter is designed for counting continuous wave signal comes from Two-way Radio There are easy ranges for you to choose. Frequency counters typically measure the number of pulses or oscillations per second in a waveform. 4GHz w/BNC Test Leads, High Resolution Professional RF Signal Meter Tester, 8 Digits LED May 22, 2016 This is a kit-built radio frequency counter which uses a PIC microcontroller to chop time into 100ms chunks and then counts the input signal Mar 14, 2011 The title says it all! Schems on http://www. 5k). Hence we need a device to count. It also will work for digital radio signals, as well. Frequency: 200Khz 1Khz 100hz Resolution. Frequency counter based on the microphone input. Frequency Counter Do It Yourself Kit with LCD 10Hz - 250MHz Full Package 10Hz - 250MHz with Green LCD and MB506 prescaler Educational project for soldering! The electrical circuit based on PIC16F62 Frequency counter using Arduino (upto 40KHz). You can measure radio frequencies of up to about 6 MHz. Radio frequency or RF is electromagnetic waves that allow for wireless communication. Radio Accessories; Frequency Counters; Categories. 4 MHz one. With SSB the frequency varies according to the voice frequencies, it isn't ever the same, always varies, so the reading always varies. About 50% of these are frequency meters, 4% are other consumer electronics, and 3% are data cables. with 0. A frequency counter is an electronic instrument, or component of one, that is used for measuring frequency. It was a project I developed over the last few months and documented all along the way. nnn is the Frequency) This Frequency Counter project is fully documented in the qrparci. 4Ghz. The circuit diagram was provided by Mr. Radio frequency countermeasures jam such pop-up threats. anyway the way I have been checking frequency it to connect one alligator clip to ground and the other to the pin on the so-239 connector. Tuning a Radio Wave Receiver induce counter electromotive and the particular frequency that is isolated by the equalized reactance is called the resonant Radio Alignment: First of all, set the counter to the offset used (1. Please try again later. Features. 4GHz Tester Cymometer US seller I use a modern frequency counter or a digital radio to check the 324's dial settings. 2 fixes a small display bug and increases accuracy on short sample times. - eHam. I know that i have to get the 3 frequencies and make the math to get the result. SURECOM SF401 Plus Portable Frequency Counter 27Mhz-3000Mhz Radio Frequency Counter Meter Features : The frequency meter capable of measuring the parameters of the frequency of the continuous carrier signal walkie-talkies, with signal strength indicator. I'm not ruling the mark 2 out that it may be in the radio where the counter isn't reading the correct frequency. It replaces a Frequency Counter that died after 35 years. Hi Guys, I just wanted to run this by the forum: I want to connect a modern digital frequency counter to an AM tube radio, and am wondering if I can expect noise from the radio while the counter is connected. FC30BT Frequency Counter - FC 30BT Cb & 10 Meter. Reviews: 6Digital Frequency Counter: 11 Steps (with Pictures)https://www. Afrequency counter can only 'count' what it's fed. 01Hz~2. Find the Best CB Radio Online. Frequency counters usually measure the number of cycles of oscillation, or pulses per second in a periodic electronic signal. The technology in this is far advanced, significantly more accurate and stable and covers a much broader frequency range. Top Cb frequency counters for Cb and 10 meter radios. Why does my radio have a Frequency Counter? Here's something you should start with: Channels do not exist. Modulation Percentage Scale for use on AM. It has a 20-Hz i-f filter and a built-in counter to measure the exact frequency of any signal in its band-pass (K0KV). 4GHz Frequency Monitor Counter Tester Enjoy Free Shipping Worldwide! Limited Time Sale Easy Return. The power consumption of the counter is very low. radio frequency counter ; As an amateur radio enthusiast, I have found on several occasions that it would have been handy to have a frequency counter available in my arsenal of test equipment. 4GHz Professional Tester Description This frequency counter measures signals over a wide range from 0. This frequency counter using arduino is based on the UNO version and can count up to 40KHz. 4GHz. Expect a communication range of one to A-1 Telecom is a wholesale distributor of electronics goods. Hello, i want to use on digital freq qunter on my sb-101. Citizens Band Radio Frequency Table. Shop with confidence. The main category is Frequency counter projects for ham radio use that is about Frequency counter projects for ham radio use. 66. 6 Digit Frequency Counter. The Surecom SF-401 frequency counter is capable of measuring the actual output frequency of your radio, along with a signal strength indicator. Any of the inexpensive frequency counters you mentioned will work for you. Use the jumper J1 on the counter for this (jumper closed = 1. Whatever radio frequency counter styles you want, can be easily bought here. If the coarse measured frequency is way below 1 MHz, the prescaler is turned off to get the best possible frequency resolution. com. I'd say it operates more like a VHF/UHF field strength meter than a frequency counter, did pick up signals from my WiFi, 6m, 4m, 2m and 70cm. 1x GY560 Frequency Counter. Discussion in '"Boat Anchor" & Classic Equipment' started by SV2SBE, Dec 11, 2016. no PIC or other microcontroller, no programming to be done, etc. Alternatively it may also be possible to use the frequency counter timebase as there is often an output available from the internal oscillator / timebase. Hello, I would like to ask you about simple cheap microcontroller frequency counter circuit, I found some projects but I am looking for one can's measure from Hz up to 200Mhz or more 7-segment LED display maybe with prescaler. Raspberry Pi RF Frequency Counter October 10, 2016 Scott Leave a comment GitHub , Linux , Microcontrollers , Python , RF (Radio Frequency) I build a lot of RF circuits, and often it’s convenient to measure and log frequency with a computer. 5k depending to your radio). Unfollow radio frequency counter to stop getting updates on your eBay feed. So I have a fluke 1910 frequency counter. galaxy, cobra, connex, 10 meter, 11 meter, linear amplifier, hot wheels, cb radio, ham radio, microphone, astatic, uniden, super star, coax, electrical, cable Frequency Counter The Cobraworxshopz. I actually built this counter during my finals at university, it was a good break. Frequency Counter (220-0305) Features Faxback Doc. Since it uses a base PIC that is easily programmable, and provides a usefull bit of bench test equipment at very low cost, it makes an ideal PIC learning project. Cheap Frequency Meters, Buy Directly from China Suppliers:RuoShui 3165 Digital High Precision Radio Frequency Counter Testing Meter 0. The code compiles for the Microchip 16F84, 16F84A, 16F628, 16F628A, and 16F648A running at 4 Mhz. Counter is designed on a double sided PTH Board and works on USB power. The frequency counter measures frequencies between 300 kHz and 2. 500MHZ Frequency Counter and RF Meter with Graphic LCD. Often, they In this post, we examined 5 of the best-selling portable radio frequency counters These meters are designed to count the continuous wave signals transmitted Find great deals on eBay for RF Frequency Counter in Electrical Counters and Timers Precision Radio Frequency Counter VC3165 RF Meter 0. The Workman FC30BT frequency counter continuously displays transmit and receive frequencies when connected with the modular 6 pin jack. I have a Redco-C40 frequency counter that I was wondering if anyone had any documentation on or knew how I could possibly use with my TS-520S to read the frequency. com Frequency Counter 'Retro-Fit' modification is an excellent addition to the Transceivers mentioned and really add to your operating experience of the radio. The 9. am-fm radio frequency synthesizer and if counter on-chip reference oscillator and programmable if counter vhf input and precounter for fre-quencies up to 290mhz (suitable for dab application) hf input for frequencies up to 64mhz (shortwave band) in-lock detector for search/stop stationfunction stand-by mode for low power con-sumption Radio Shack RF Frequency Counter 22-305 With Antenna/Manual " PicClick Exclusive Popularity - 0 views, 0 views per day, 732 days on eBay. A programmable IF offset feature allows the counter to measure the VFO frequency but display the actual operating frequency. 2 This project is a frequency meter that consists of hardware that plugs into your PC soundcard, and software that provides the analysis and user interface. You can refer to the question Does a radio receiver add a load to the transmitter? for a more detailed discussion of whether the load of a receiver affects the transmitter, but summary there is that it doesn Reprogram the counter's prescaler so the divided input frequency is below 1 MHz (which is the maximum input frequency for the hardware counter, if the PIC is clocked with 4 MHz). (except for the digital signal gear). In the following photo, my 324 is sitting on top of my B & K Precision model 1801 frequency counter. It uses only six standard discrete logic IC's, i. 6GHz for Two Frequency counter enclosure. Frequency Meter / Counter measures frequency from 10Hz to 60MHz with 10Hz resolution. 2015-05-17 · via YouTube Capture Choosing the Best SD Card for Video – Understanding All the Numbers and Symbols on SD Memory Cards - Duration: 6:01. . There is an option to apply external +5V for those who wish to power this counter from their own +5V source. "SDR Cube: A Portable Software Defined Radio Utilizing An Embedded DSP Engine for Quadrature Sampling Transceivers" Ameritron AWM-30B HF+6M SWR/WATTMETER 3000 Watt. I do not own a bench style frequency counter, like the kind you would use to do alignments. The radio spectrum is the radio frequency (RF) portion of the electromagnetic spectrum. 1 to 1V Max. Easy to Read Meter w/ 4 Scales. by Gain Express. 3GHz Intelligent Multi-Function Digital Frequency Counter. To this effect I designed a counter with 1s, 10s and 1 min gating times, something that is easily accomplished, but not readily available. 7 digit display gives plenty of information about the predominant incoming frequency and the very low (5 mV) nominal input sensitivity provides stable readings even with smaller injected I'll also mention that if you have a radio where the LED's have started to burn out and you are having trouble telling what frequency you are on an external frequency counter can be very helpful. Compare QRPGuys – Unique ham radio kits for the budget minded. com/articles/test-methods/frequency-counter-timer/what-is-a-frequency-counter-timer. If it has a frequency/period mode, set it to frequency. Gain from x1 to x1000. The Broadcast Frequency Counter is an excellent economical choice for 2 big reasons: it offers both a frequency counter and bargraph type field strength meter. Operates on Both AC and DC. A simple frequency counter measures frequency by counting the number of edges of an input signal over a defined period of time (T). This is indicated by the decimal point The frequency counter has to count the number of cycles per second of an incoming signal. This is an excellent piece of test equipment. Dosy FC50SP 6 Digit Frequency Counter Side Band Use $100. Appendix A - An Introduction to Frequency Calibrations is equipped with a radio receiver. . the board has a temperature controlled oven for the crystal reference. Whatever frequency counter styles you want, can be easily bought here. “The frequency that has been approved for use is the most efficient for penetrating tissue with radio waves and without which the new generation of our implantable neurostimulator technology would be impossible to advance. Low frequency tags are cheaper than any of the higher frequency tags. Rated 1 out of 5 by Danw from not ready for production Falls short of being a decent product. As long as your Frequency Counter says 27. There are easy ranges for you to choose. The original design used a gate time of one second which gives a count resolution of 1Hz. This was the household telephone. Frequency is defined as (Number of events) / (time in seconds) and measured in Hz. Featuring a multi-color LCD faceplate and a frequency counter. phpFrequency counters are test instruments used in many applications associated with radio frequency engineering to measure the frequency of signals very Gain Express VC3165 Radio Frequency Counter 0. Frequency step : 200K (digital radio signal), 1K, 100Hz. It is compact, truly pocket sized, test instrument designed for ease of use and dependable performance. 4 GHz. , Surecom SF401 handheld frequency meter is our top pick- it includes a screw-in antenna, color display and rechargeable battery. At the left of the counter a coil can be seen - this is input filtering of the supply voltage, the idea being to prevent spurious signals from the frequency counter's timing chain from entering the host radio receiver. Yes. 5 out of 5 by 4. But how does it do it? If you were trying to determine the frequency of a wheel manually, you might follow this operation: 1. For example, a 9-digit frequency counter can detect a frequency I have already build the frequency counter using pic16f628a. Simple RF/Microwave Frequency Counter Matjaz Vidmar, S53MV 1. FC30BT Frequency Counter - FC 30BT Cb & 10 Meter The Workman FC30BT frequency counter continuously displays transmit and receive frequencies when connected with the modular 6 pin jack. Three step function selections:Work state,unit and 8-Digit LED display 4. I’m not entirely sure what your requirements of reading 3 frequencies are. 95 from Ham Radio. tk is tracked by us since January, 2016. I drilled a 6. help The frequency meter capable of measuring the parameters of the frequency of the continuous carrier signal walkie-talkies , with signal strength indicator. The frequency counter on the radio is only 5 digit and not accurate enough to stay on frequency …Thru Hole Digital Dial / Frequency Counter – $20 Please note the shipping policies and notification on our home page. Frequency counter projects for ham radio use is a curation of 18 resources about , Simple Frequency Counter , RF Sampler, Universal frequency counter & voltage meter, Low cost frequency counter, Connect a frequency counter to MFJ 9406. Trigger on rise or fall. 1 MHz ~ 65 MHz Blue. Their main purpose, measuring frequency, is done by setting a few front panel switches. A little device which joins in a single microprocessor a digital programmable frequency meter and a control logic capable to lock a manually tuned VFO to its actual frequency. 01 Hz-2. History Time and frequency are certainly the physical quantities that can be measured with the highest accuracy. Counter provides exceptionally stable readings and has excellent input sensitivity thanks Alibaba. $149. - 3 - Radio Alignment: First of all, set the counter to the offset used (1. MyDEL products online from ML&S Martin Lynch & Sons For full functionality of this site it is necessary to enable JavaScript. This table is the frequency chart for the legal Citizens Band Radio Service. RF Signal Frequency Counter Meter Tester 0. net is a Web site dedicated to ham radio (amateur radio). Sound wave is the one you can hear. Search. Often, they Items 1 - 22 of 22 If you want to buy cheap frequency counter, choose frequency counter from Counter DCS CTCSS Radio Testing Frequency Meter Decoder Frequency counters and interval timers are very easy to use. A frequency counter is an electronic instrument, or component of one, that is used for measuring frequency. Your radio may have a built-in Frequency Counter, or if your radio has a frequency counter jack on the back you can use the FC-347 Frequency Counter, with either of these options you now have a tool to tell if something is amiss on your end. 2016-12-14 · digital frequency counter on heathkit. Quality service and professional assistance is provided when you shop with AliExpress, so don’t wait to take advantage of our prices on these and other items! Project. This portable frequency counter is designed for counting continuous wave signal comes from Two-way Radio. Order #6768 List Price: $75. Optoelectronics Inc. 6v dc operation frequency range from 1 mhz to 40 mhz stability +/- 10ppm size 1 3/8" high, 3 1/2" wide, 4" deep display size 3/8" high green plugable on most galaxy, connex, general, & superstar radios with the 6 pin jack on rear of radio. 185 and your channel says 19, then there's a good chance you Frequency counter based on the microphone input. 1 x GY560 mini Frequency Counter for Two Way Radio Transceiver GSM 50 MHz -2. We believe in helping you find the product that is right for you. 3850). I needed not so much of a frequency counter, but a totalizing counter that could count low-frequency events during various gating times. What is a Frequency Counter Frequency counters are test instruments used to provide very accurate measurements of the frequency of a signal. Dimensions 3. Find great deals on eBay for frequency counter radio and cb radio frequency counter. tda7427 am-fm radio frequency synthesizer and if counter on-chip reference oscillator and programmable if counter vhf input and precounter for fre-Popular radio frequency counter of Good Quality and at Affordable Prices You can Buy on AliExpress. 95 Meters & Test Equipment The Tytera SF-401 Plus reads your RF transmitted frequency from 100 to 3000 MHz (27 to 100 MHz coverage with reduced specs. The Leixen N8 is a handheld frequency counter with LCD screen with 8 digits and runs on 3 AAA batteries (not included). or ν (see e. Aceco FC-3002 Handheld Radio Frequency Counter . Simple TV antenna works by transmitting signals to communicate with a station and let you see the channels of 2011-01-21 · It has decent rating among Ham radio guys, But if you can wait and have no pressing need right now, write down specifically your accuracy limits, say in ppm, frequency stability in ppm, and number of displayed digits. The other counter is good up to 80 Mhz. The Aceco FC-3002 is the latest advance in hand-held radio frequency finder / counter. This link is listed in our web site directory since Friday Oct 2 2009, and till today " Frequency Counter project " has been followed for a total of 2194 times. 5k). Designed specifically for RF Calibration these products provide superior phase noise performance, an integrated frequency counter, and wide-offset phase noise filter accessory. The friend’s radio didn’t come with a frequency display, and buying the add-on would cost more than the radio did. 8 GHz Frequency Counter / RF Power Meter / Pulse Counter Kit with USB 1ppm Timebase, Case, included Software, made in Germany C $ 96. "S" Meter Indicates Up to 60dB over S9. PIC18F4550 based 50MHZ LCD Frequency Counter has Frequency readout and Mini frequency meter 1-1000Mhz Leixen N8. Frequency Counter The Cobraworxshopz. We are introducing a low cost multifunctional seven digit LCD frequency counter, for your HAM radio shack. DIY Electronics Frequency counter kit can be purchased in Economy or extended Full package. R/C: radio control The "Typical IF" frequency is the frequency that is commonly used with 455 kHz If amplifiers; this frequency is often called the "receive frequency" when referring to crystals. For cyclical processes, such as rotation, oscillations, or waves, frequency is defined as a number of cycles per unit time. Any interest in an article on "How To" for frequency measuring? 10Hz to 1. A wide variety of radio frequency counter options are available to you, such as analog only, analog and digital, and digital only. It is a very useful bench test equipment for testing and finding out the frequency of various devices with unknown frequency such as oscillators, radio receivers, transmitters, function generators, crystals, etc. All that said, this is Frequency counters are test instruments used in many applications associated with radio frequency engineering to measure the frequency of signals very Discover the best Frequency Counters in Best Sellers. Version 2005. 92 to C $ 292. 4GHz w/BNC Test Leads, High Resolution Professional RF Signal Meter Tester, 8 Digits LED Yosoo High Accuracy 1~500 MHz Frequency Counter Tester Measurement The other frequency meter we were using for the radio transmitter was also Buy Signstek Handheld Frequency Signal Counter Tester for Two Way Radio Transceiver GSM 50 MHz-2. Cambridge Labs Rechargeable EMF Meter - Radiation Detector, Electromagnetic Field Tester, Smart Counter, Great Reader For The Home, Office Or Ghost Hunting, Handheld Digital Sensor (White)Simple RF/Microwave Frequency Counter Matjaz Vidmar, S53MV 1. 5 in There are no reviews yet. The generator's output is set to 465 KHz, the IF frequency used by the Stewart Warner 1865 radio on the workbench. A crystal-controlled temperature circuit provides a constant compensation for temperature change,thus 60MHz Frequency Meter / Counter kit measures frequency from 10Hz to 60MHz with 10Hz resolution. SWHarden. Frequency is a measure of how fast a repetitive signal repeats per unit time and commonly measured in Hz (cycles per second). 01Hz - 2. Threat radar can remain inactive—that is, nonradiating—until a helicopter is within lethal range of the weapons system. nnn Khz " - (where nn,nnn. i intended to build it for my diy fm radio. 1MHz - 65MHz Yellow color PLJ-6LED-A. During 2 Aceco FC-1003 Handheld Radio Frequency Scanner Counter. Frequency counter projects for ham radio use is a curation of 18 resources about , Simple Frequency Counter , RF Sampler, Universal frequency counter & voltage meter, Low cost frequency counter, Connect a frequency counter to MFJ 9406. Input signal levels of -20dBm to +10dBm are accepted. Gain Express VC3165 Radio Frequency Counter 0. Wolverhampton data precision 5740 frequency counter in good the item does not have a calibration certificate, so is sold ‘as is’. Christoph Jechlitschek, christoph. This is 60 MHz frequency meter / counter for measuring frequency from 10 Hz to 60 MHz with 10 Hz resolution. has been designing and manufacturing frequency counters for over 30 years. The QRPGuys Thru Hole Digital Dial/Frequency Counter is a small five digit led digital dial kit using all thru hole components with optional programmable I. 7 digit display gives plenty of information about the predominant incoming frequency and the very low (5 mV) nominal input sensitivity provides stable readings even with smaller injected signals. A frequency counter is an electronic instrument, or component of one, that is used for Frequency counters designed for radio frequencies (RF) are also common and operate on the same principles as lower frequency counters. Has built-in battery support. Perhaps there is a cheap frequency counter that does this too. This frequency counter is designed in such a way that it can be used for direct frequency measurement or with any of the commercial / home made radio/transceiver as a digital frequency display. A frequency counter is a device that measures a periodic signal and determines its frequency in Hertz (Hz or s-1). set your mode for AM with frequency counter reading 26. You can get near rubidium accuracy for ~ $200; basic externally clocked counter $100, Trimble GPS clock ~ $100 Citizens Band Radio Frequency Table. Page 1 of 2 1 2 Next > SV2SBE Ham Member QRZ Page. High power radio frequency weapons are a new technology on the horizon that might provide just such a means. There are all sorts of waves around us. Frequency Range: 50Mhz to 2. me if its radio's oscillators unwantedly drift or shift. Amateur Radio Projects & Kits : Please visit project page before you decide to buy. Frequency Counters. 00 Radio Frequency Counter RF Meter VC3165 0. 95. 01Hz - 2. 000 001 Hz resolution This frequency meter (counter) with AVR enables to measure the frequency from 0. Counts when the input rises or falls past a set level and converts into into frequency or a time period. Power Scale Calibrated for AM, SB, and SWR Scale. The FC 30BT, FC 390 and FC 347 can all connect to Cb radios and 10 meter radios like Texas Ranger, Ranger (RCI), Galaxy, Connex and Magnum radios that have the 6 pin modular frequency counter jack on the rear of the radio. DMR Radio signal e frequency counter. 2013-02-09 · Yeah, if you are going to use a real Arduino and an LCD shield that is pretty expensive for a frequency counter. Galaxy 40 Channel 6 Digit Frequency Counter CB Radio. Frequency Counter Electronic Kit ML300. You all may know that ive been buying up a lot of old Yaesu FT101's just of late as i love useing old ham radio kit as well as that there fitted with 11 Meter mid band and look well on my desk. Display of triggered event count and frequency or time period. Shows the frequency to a precision of 10kHz at an update rate of 128ms; Shows frequency drift of the input signal in ppm/s at an update rate of 128ms (moving average over 16 cycles) Working principle. Product Description Frequency Counter FC50. ; This portable frequency counter is designed for counting continuous wave signal comes from Two-way Radio. Subject: frequency Counters June 24th 2013, 1:50 pm Discussions of Frequency counters in general can be posted Here in this topic. 00 5316B Agilent Frequency Counter $395. # 8656 The Radio Shack LCD RF Frequency Counter is a microcomputer-based instrument that accurately measures radio frequency (RF) signals. FC5. 988 in the pic). Also a car remote 433MHz and remote door bell 434MHz. The maximum power I purchased the Galaxy FC347 Frequency Counter to install into my Galaxy DX959B CB radio. 00 5316A HP Frequency Counter $95. On the back I have an antenna IN and OUT coax connectors which I can put in-line with the radio to read the transmitting frequency. Compare the size of the small 100 kHz crystal with the 6. Top Cb frequency counters for Cb and 10 meter radios. Reprogram the counter's prescaler so the divided input frequency is below 1 MHz (which is the maximum input frequency for the hardware counter, if the PIC is clocked with 4 MHz). line1: " 16 char text " - (custom programmed upon request including amateur radio call) line2: "nn,nnn. A frequency counter is essentially a digital counter that is gated (started and stopped) by a time base of some sort. It is designed for use in CB and Amateur radios. Radio Frequency Scanners LED Flashlight Walkie Talkie Frequency Dustproof Portable Two Way Radio. 5k depending to your radio). This weekend i'll set up the Mark 3 and check it. It could be operated with even an ordinary 9V battery for a long period. AC or DC coupling. The counter’s resolution, or the number of digits it can display, limits its ability to measure frequency offset. 2013-02-09 · Huh, I was just beginning to look into designing a frequency counter, but using 7400 series logic and an AVR. You can refer to the question Does a radio receiver add a load to the transmitter? for a more detailed discussion of whether the load of a receiver affects the transmitter, but summary there is that it doesn't occur in the far field. It enables the usual frequency, period, and event totalizing measurement functions of a conventional benchtop counter, plus a special spectral event counter. 01Hz-2. 2 us in 7 automatically selected ranges. Graph of input signal, 2. The FC-347 is a universal frequency counter which indicates the frequency of the selected channel. 5mm hole on the top case for fitting a SMA type connector (i designed without this hole just for your choice). net. digikey. Palco Electronics sells brand-new, name-brand CB radio meters, frequency counters, pre-amps, and match boxes at discount prices. This radio frequency meter is a handheld RF counter that will continuously test analog radio signals for handheld radios, wireless phone signals and more. LCD Frequency Counter with UHF Antenna 50MHz-2. Frequency Counter A Frequency Counter is standalone instrument or capability of an instrument for measuring frequency. A 16×2 LCD display is used for displaying the frequency count Description. This frequency counter module is intended as a "digital dial" frequency readout for portable QRP radio tranceivers. All I own is a mfj wireless style one that has a telescoping antenna, and this fc 347 There are 151 radio frequency counter suppliers, mainly located in Asia. The ranges cover most of the frequency of the two way radios you want to measure AE20401 5. For a rubidium counter, accuracy or drift is in pptrillion. Item #CSI6100. This project is about building a frequency counter, using a 2x16 LCD and a small PIC 18F1320 micro-controller for the UV616/6456 receiver. 2009-01-20 · Any of the inexpensive frequency counters you mentioned will work for you. 3. A Freq counter simply tells you what frequency a wave form is. Add to Compare. The Broadcast Frequency Counter is an excellent economical choice for 2 big reasons: it offers both a frequency counter and bargraph type field strength meter. frequency counter. Aceco FC-3002 Handheld Radio Frequency Counter . PC Frequency meter. 5k or 2. DJ3KK SPRAT Frequency Counter – $20. For more information's and offers, text me at 519-701-0317. Frequency Counter Do It Yourself Kit with LCD 10Hz - 250MHz Full Package 10Hz - 250MHz with Green LCD and MB506 prescaler Educational project for soldering! The electrical circuit based on PIC16F62Victor Frequency Counter VC-3165 product reviews by real people like you. Resources listed under Frequency Counter category belongs to Technical Reference main collection, and get Why does my radio have a Frequency Counter? Here's something you should start with: Channels do not exist. They are fast enough for most They are fast enough for most applications, however for larger amounts of data the time a tag has to stay in a readers range will increase. net. Kapital through an order in Fiverr. $199. Frequency counter up to 12GHz. Counter provides exceptionally stable readings and has excellent input sensitivity Amounts shown in italicised text are for items listed in currency other than Euros and are approximate conversions to Euros based upon Bloomberg's conversion rates. Now know EXACTLY what Frequency you are listening to and more importantly, Transmitting on. Description. The Weeder Frequency Counter PIC 16F84 port by Peter Cousens. As a frequency counter The first time power is applied to the digital dial, it will power up in the frequency counter mode. com/id/Digital-Frequency-CounterA frequency counter is a device that measures a periodic signal and determines its frequency in Hertz (Hz or s-1). I think it's a 1910. CB, as it is called, is a two-way voice communication service for use in your personal and business activities. The counter device is based on the ATmega16 counter that was published already on this site. stake. FC3 is designed and developed for Radio Amateurs looking for economical frequency counter which can measure RF signal Level at the same time. Frequency Range. 4 GHz,high precision and reliability. LCD Display Accuracy RF Frequency Counter Tester Measurement 1~500 MHz. 1 x SF-103 frequency counter. Anyway we will try our best to avoid this kind of thing. radio frequency counterA frequency counter is an electronic instrument, or component of one, that is used for Frequency counters designed for radio frequencies (RF) are also common and operate on the same principles as lower frequency counters. frequency offsets. 4GHz w/BNC Test Leads, High Resolution Professional RF Signal Meter Tester, 8 Digits LED Display. F. electronics-notes. 5mm hole on the top case for fitting a SMA type connector (i …Set the frequency counter to the lowest frequency range. Frequency counter / Digital Dial The Digital Dial is primarily intended to be used as a simple means of adding a digital frequency read out to single band QRP radios. LCD Digital Display / Frequency Counter / DDS VFO. AliExpress carries many frequency counter kit related products, including rf , driver , counter , jam , kit radio , finder , meter esr , glass tester , hz meter. Find the top #17. 4GHz Tester Cymometer US FAST Radio Frequency Counter: $83. it is the tool of choice for maintenance personnel ,test frequency and signal strength for wirele Galaxy Frequency Counter for DX88 Part # EPT210014C Can be used to repalce EPT210010C ask for instructions. If you want to buy cheap frequency counter, choose frequency counter from banggood. so i use 74F74 d flip flop, as frequency devider devide by 4. Runs on 9V DC power supply (roughly 100mA) Shows the frequency to a precision of 10kHz at an update rate of 128ms. (except for the digital May 22, 2016 This is a kit-built radio frequency counter which uses a PIC microcontroller to chop time into 100ms chunks and then counts the input signal  What is a Frequency Counter | Counter Timer | Electronics Notes www. 405 mhz . The FC-30 is a universal frequency counter which indicates the frequency of the selected channel. thingiverse. Although it isn’t a lab grade high accuracy frequency counter I think the Yaege FC-1 is a useful addition to my electronic test equipment and is extremely good value for money. You may be confused as to what a frequency counter does, it's used to measure the specific frequency of a single signal so won't help you. Unfollow cb radio frequency counter to stop getting updates on your eBay feed. Wide measurement range 0. It also eliminates the difficult and undesirable practice of moving frequency standards from one place to another. 2. jechlitschek@gmx. The device operates in the frequency range from 0-10 GHz which enables convenient operation10 MHz frequency meter (counter) III. com offers 150 radio frequency counter products. " Then I realized that a frequency counter is only as accurate as its time-base oscillator. It is a tool of choice for maintenance personnel, and Amateur Radio operators who want to ensure their radios are on frequency. caGalaxy Channel / Frequency Display DX2517 Part # EPT0SSB42C Note some of the newer board are missing R407 and R408 and a resistor has been added to where a jumper between the Channel Display and first digit of the2016-12-09 · /* Frequency Counter With LCD Display - by arduinoaleman - May 2015 For analog signals have a look at my preamplifier circuit (arduino forum / look for "frequency counter amplifier" Pin D5 of Arduino must be used for frequency input. so, like command-driven frequency displays, counter-based displays are only as Frequency Meter / Counter measures frequency from 10Hz to 60MHz with 10Hz resolution. GALAXY FC-347 FREQUENCY COUNTER. TV channels, radio channels, memory channels, even CB channels. The bright LED display on the FC 30BT is far more visible in the sunlight than than other similar frequency counters. Counter is designed on a double sided PTH Board and works on USB Power or with external DC12V. I seem to have a pretty decent Heathkit tool collection going now. Galaxy (DX 2547) - Deluxe Base Station, Frequency Counter, Instant Channel 9/19, Large Meter, Operates on Both AC and DC, AM/USB/LSB/PA, 40 Channel Description: The DX2547 is a very impressive looking Radio and Galaxy's first base station CB radio. ( channel 1 ) Now you have to adjust VR 1 for 26. Range from . However, knowing how to use a frequency counter and time interval counter can help make the best readings in the easiest manner. Since the counter can count up to 45 MHz and there are only four digits of display, there is a “display shift” function. Frequency Counter & CTCSS/DCS Display. Initially RFID tags were developed to eventually replace barcodes in supply chains. com is a wholesale marketplace offering a large selection of frequency counter meter with superior quality and exquisite craft. I have another banana mic i need to test out any way. I’m not sure I understand? I do have a radio shack swr/power meter inline between the radio and the antenna. 05 digital frequency counter 6 digit continuous readout reads transmit & receive 8 to 13. Amounts shown in italicised text are for items listed in currency other than Euros and are approximate conversions to Euros based upon Bloomberg's conversion rates. Fluke RF (Radio Frequency) reference sources are the core of an RF calibration system, maximizing utility and efficiency. (except for the digital Frequency counters are test instruments used in many applications associated with radio frequency engineering to measure the frequency of signals very Buy Awakingdemi Frequency Counter Tester, Radio Frequency Counter, High Accuracy RF 1-500MHz Frequency Counter Tester Measurement Meter for Ham Gain Express VC3165 Radio Frequency Counter 0. Directly compatible with many Galaxy two-way radios that have accessory frequency counter sockets on the back of radio set. 17. It also has a bnc connector labled DIR 10v MAX. This model is almost exactly the same as the Stryker SR-955-HPC except the 655 has AM/FM modes where the 955 has AM/FM/SSB modes. Subject: Re: frequency Counters January 23rd 2013, 11:19 pm The B&K 1801 is only rated for 40 Mhz Tops and I'm sure it starts to drop before that. With SSB the frequency varies according to the voice frequencies, it isn't ever the same, always varies, so the reading always varies. org QRP Quarterly magazine in four consecutive issues starting with the Fall 2009 issue. Is there Any one on here that played about with Diy frequency counter's at all. Author: Scott HardenViews: 106KWireless ham radio frequency counter by villamany https://www. 2019-03-07 · Features: 1. And a time- base oscillator can drift or shift without Our necessarily knowing the difference. A long time ago I built a radio using a Philips UV616/6456 TV tuner that is capable of receiving radio signals over a large range of frequencies. Gate time of 0. 5k or 2. 5 ms/div up to 640 ms/div. The gate time is continuously varying from 100ms to 10s. Frequency Buy MyDEL Surecom SF-401 Plus Frequency Counter Test Equipment online at £39. The Aceco FC-1003 hand-held frequency counter is a more practical counter, even advanced features such as field strength measurement are incorporated. Buy Awakingdemi Frequency Counter Tester, Radio Frequency Counter, High Accuracy RF 1-500MHz Frequency Counter Tester Measurement Meter for Ham Items 1 - 22 of 22 If you want to buy cheap frequency counter, choose frequency counter from Counter DCS CTCSS Radio Testing Frequency Meter Decoder 2018 Online shopping for popular & hot Radio Frequency Counter from Tools, Frequency Meters, Counters, Instrument Parts & Accessories and more related 22 May 201614 Mar 2011In this post, we examined 5 of the best-selling portable radio frequency counters These meters are designed to count the continuous wave signals transmitted Find great deals on eBay for RF Frequency Counter in Electrical Counters and Timers Precision Radio Frequency Counter VC3165 RF Meter 0. Citizens Band (CB) The Citizens Band radio service is a private, two-way, short-distance voice communications service for personal or business activities of the general public. 2005. The Galaxy FC347 Frequency Counter is a deluxe digital model designed for use with CB and amateur radios. If you want to buy cheap radio frequency counter, choose radio frequency counter from banggood. 1 x GY560 mini Frequency Counter for Two Way Radio Transceiver GSM 50 MHz-2. This hand-held radio frequency counter is compact, truly pocket-sized, versatile test instrument designed for measuring any digital, on/off keying or analog signal on frequencies between 30 MHz and 2. g. ). Project is designed and developed for science students and Radio Amateurs, looking for economical frequency counter for their hobby work. com, I was asked to explain the functioning by him. 185 and your channel says 19, then there's a good chance you Your radio may have a built-in Frequency Counter, or if your radio has a frequency counter jack on the back you can use the FC-347 Frequency Counter, with either of these options you now have a tool to tell if something is amiss on your end. The socket can be soldered with tin solder iron and desoldering braid to remove exceed solder between contacts. 4GHz Portable frequency meters are designed to count the continuous wave signals transmitted from two-way radios (Source). But, like most amateur radio enthusiasts on a budget, I could not justify spending hundreds of dollars on said equipment. Description IK3OIL FREQUENCY LOCKED LOOP FREQUENCY COUNTER. The meter provides very stable readings and has excellent input sensitivity thanks to on board amplifier and TTL converter, so it can even measure weak signals from crystal oscillators. 01Hz~2. caPopular radio frequency counter of Good Quality and at Affordable Prices You can Buy on AliExpress. WITH THE 6 PIN FREQUENCY COUNTER JACK IN BACK. A Frequency Counter is standalone instrument or capability of an instrument for measuring frequency. SUPER DDS ~ 1Hz Step I do understand that many ham radio kits are sold in limited quantities, but not my kits The Broadcast Frequency Counter is an excellent economical choice for 2 big reasons: it offers both a frequency counter and bargraph type field strength meter. 12 results for cb radio frequency counter Save cb radio frequency counter to get e-mail alerts and updates on your eBay Feed. Description VC3165 Radio Frequency Counter RF Meter 0. e. 3 oz. Frequency counter Digital mode for DMR radio. This frequency counter module is intended as a "digital dial" frequency readout for portable QRP radio tranceivers. This Frequency Counter is cost effective and can be easily made, we are going to use ARDUINO UNO for the measuring the frequency of signal, UNO is the heart of project here. amateur radio, frequency counter. The ranges cover most of the frequency of the two way radios you want to measure. RIP Heathkit. It turns the frequency counter into a digital field strength meter. This is a port by Peter Cousens to the PIC 16F84 of the 50Mhz Frequency counter kit {originally available} from Weeder Technologies. Is there something ready for sale kit or builded to use it?Or if someone have a …Radio frequency detector - PRO-W10GX is a professional device for counter surveillance. The reference for this measurement is either the counter’s internal time base oscillator, or an external time base (Fig. e. Now set the counter and the radio to 27. A very simple frequency counter circuit is shown below and can be easily built by any electronic enthusiast for the intended purpose. Measures RF signal or TX channel to ant. 4 E-mail: Note: This counter use chip 74xx93 (counter) as a frequency divider by 8 the maximum bandwidth for arduino to count is 8 Mhz and we can multiply this number using 74xx93 or any other counter chip. 965 mhz if its not reading it already . ; Of the things you'll find on a technician’s workbench, a frequency counter is one of the easiest to use. Has 1 Hz resolution and 10 Hz accuracy. I know Heathkit stuff isn't exactly known for accuracy, but going through them and replacing bad components, re-soldering most of the solder joints, and doing major clean up on them almost feels like I got to build them. HOOKS UP TO ANY DX STYLE RADIO. You can get near rubidium accuracy for ~ $200; basic externally clocked counter $100, Trimble GPS clock ~ $100 The Weeder Frequency Counter PIC 16F84 port by Peter Cousens This is a port by Peter Cousens to the PIC 16F84 of the 50Mhz Frequency counter kit {originally available} from Weeder Technologies . Once a traceable transfer standard is in place, the next step is developing the technical procedure used to make the calibration. Frequency Counter #0 . it is the tool of choice for maintenance personnel ,test frequency and signal strength Most frequency counters have an external clock of timebase input that can enable an external timebase to be used for the frequency counter. The Aceco FC1003 hand-held frequency counter is a more practical counter, even advanced features such as field strength measurement are incorporated. All of it has been restored electronically, and is used daily. Arduino Frequency Counter (up to 64 Mhz) with LCD By: Abdallah Ali Date: Aug-2014 Licence: CC-BY-NC V. 4GHz Professional Tester US - $115. 25 x 2. 00. Level from . Buy products related to frequency counter products and see what customers say VICTOR VC3165 Radio High Frequency Counter RF Meter 0. The scientific and military communities have known of the potentially damaging effects of radio frequency (RF) energy on electronics since the advent of radar. Standard Oscillating Frequency. 45 Hz to 10 MHz and a period from 0. These IC's can count the input pulses. Online shopping for radio frequency counter? DHgate. When the counter is connected, put the radio in AM-mode, RX , and set the clarifier to the middle. It uses only six standard discrete logic IC's, i. Written by Hans Summers Saturday, 05 September 2009 22:31 This frequency counter module is intended as a "digital dial" frequency readout for portable QRP radio tranceivers. 5 MHz to 50 MHz; Has Input/Output Type SO-239 connectors Simple RF/Microwave Frequency Counter Matjaz Vidmar, S53MV 1. BUILT AND TESTED READY TO USE. A frequency counter for under $14 on your favourite online retailer, and with a claimed range of 500 MHz. The prototype of the 2 chip frequency counter and the deleted 74HC374. 6KAM-FM RADIO FREQUENCY SYNTHESIZER AND IF COUNTER - …https://media. You may be confused as to what a frequency counter does, it's used to measure the specific frequency of a single signal so won't help you. 00 Your Price: $59. The problem is that the radio doesn't have a frequency display, so tuning a particular frequency is always a challenge. 8GHz in two selectable ranges (300 kHz- 50MHz, 50 - 2800 MHz). DIGITEN RF Frequency Detector Cymometer Meter Scanner Counter 250-450MHZ. Victor Frequency Counter VC-3165 product reviews by real people like you. Audio Frequency Counter. Order a Digital Radio Frequency Detector by ACECO (AVD-110D) and other counter surveillance devices products online from The Home Security Superstore. I'm a Science Thinker, Radio Tinkerer, and all around good guy. Channel 9 is the "emergency channel" indicated by yellow and channel 19 is the commonly used highway channel indicated by violet. In electronics circuits, counter ICs are available for counting. Low Cost Multifunctional Frequency Counter MAG. Radio-frequency. 7 digit display gives plenty of information about the predominant incoming frequency and the very low (5 mV) nominal input sensitivity provides stable readings even with smaller injected Afrequency counter can only 'count' what it's fed. The counter should already show the correct frequency. VC3165 RADIO FREQUENCY Counter RF Meter 0. One button with all functions. 1 sold, 0 available. instructables. 2011-03-14 · This feature is not available right now. Expect a communication range of one to A 6 digit frequency counter designed for use with the newer Superstar 3900 radios which have a frequency counter socket on them, it is also supplied with a lead and wiring instructions to fit it to older Superstar 3900 and Cobra 148's. Summary. caThis frequency counter module is intended as a "digital dial" frequency readout for portable QRP radio tranceivers. The frequency to be measured drives the timer Frequency Meter / Counter measures frequency from 10Hz to 60MHz with 10Hz resolution. com Frequency Counter 'Retro-Fit' modification is an excellent addition to the Transceivers mentioned and really add to your operating experience of the radio. The counter is shown in the photo above with the matching panel mounting clock in the background, measuring a frequency of 384 KHz from the timing chain of the clock. A great lab tool for repairing/tuning Ham equipment. I haven't tried to read the frequency with the Mark 3 yet