Other accessories
Transmit-Receive-Switch with Attenuator for IF frequencies of 145MHz and 435MHz
April 14th 2024
Low cost DIY digital readout for an X-Y-axis table
April 8th 2024
DC overvoltage protection with BTS555
April 26th 2023
HP Server Power Supply HP-HSTNS-PL14 modified for Ham Radio use
June 4th 2022
A homebrew desk stand for the ICOM IC-705
Dec. 1st 2020
WeatherBox for real-time measurement of atmospheric data and microwave propagation prediction
July 3rd 2020
Description of R&S NG-Z Over Voltage Protection Unit "Überspannungsschutz"
Nov. 4th 2019
How to to update the firmware of the AOR ARD-300 Multi-Digital Voice Decoder
Oct. 4th 2019
10 MHz distribution unit with 4 isolated output ports
July 13th 2019
What's inside the PolyPhaser 101-0103S-A lightning protector
May 15th 2019
Description of the R&S SMBV-Z1 reference frequency converter
Jan. 22nd 2019
Homebrew DC Dummy Load to test power supplies
Jan. 10th 2019
Using CHIRP with a RT-Systems USB-Adapter to program the YAESU VX-8R
Aug. 13th 2018
What's inside the PolyPhaser 098-1013G-A lightning protector
June 2nd 2018
10 MHz reference source with automatic switching between OCXO and external reference
Feb. 6th 2018
What's inside this noname Chinese lightning protector
Oct. 9th 2017
Description of the Accesssory Ports of the AOR AR5000
Jan. 3rd 2012
What's inside an X-Phaser
July 2nd 2011
How to control (reaction tune) a AOR AR-8600 receiver using a ACECO FC-3002 frequency finder
June 2nd 2011
Homebrew S-Meter for the AOR AR8600
Oct. 6th 2007
An RF Proof 30 Amps Power Supply
Dec 29th 2006
Please note that I retain the copyrights on all articles. If you want to make use of them other than for your personal purpose please send me a request to
