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June 2020 HF power meter with optional loop controller

| May 12, 2020

This page contains a link to download a 115kB .zip containing the PCB Gerber files, a spreadsheet with the bill of materials, and the Arduino sketch required for the HF power meter with optional magnetic loop controller by Kevin Ayriss, G8MXV, published in the June 2020 edition of RadCom. Please refer any enquiries about these […]

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March 2019 Temperature Test Chamber supplementary files

| February 8, 2019

This page contains a link to the supplementary files for the Temperature Test Chamber article by Bob F. Burns, G3OOU, published in the March 2019 edition of RadCom. The ZIP file contains— A readme.txt file identifying the contents A PDF version of the outline case design (Figure 2) that you can read better than the […]

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December 2018 Diode Tester article correction

| December 6, 2018
December 2018 Diode Tester article correction

In the December 2018 edition of RadCom we published the Multi-Mode Diode Tester article by Dave Ellis, G4AJY. Unfortunately some gremlins crept into the circuit diagram, meaning that it wouldn’t work as intended if built as shown. The main problems were the 1M resistor R4 and the labelling of switch Sw1b.. R4 was incorrectly shown […]

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RadCom download – March 2018

| February 12, 2018

This is the Arduino source code file mentioned in the March 2018 RadCom article Adding a TFT Colour Display to Your Projects by Jack Purdum, W8TEE, Dennis Kidder, W6DQ and Al Peter, AC8GY. Download files (.INO/12KB)* *Arduino sketch file

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RadCom download – December 2016

| November 14, 2016

These files accompany the Replacement Display for the FT-290R article by Dave Crump, G8GKQ in the December 2016 RadCom. They comprise the .asm and .hex files for the PIC microprocessor. Download files (ZIP, 5KB)

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RadCom download – November 2015

| October 6, 2015

This 5MB ZIP file contains design information (including PCB manufacturing files) for the Isolated CI-V Interface project. Isolated CI-V Interface project (5.5MB ZIP)

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