RadCom Plus

Contents To read RadCom Plus online, click the cover picture. 4 Vertical phased arrays from compromised locations John Matthews, G3WZT wanted to improve his antennas for 80m when he decided to go US county chasing, but only on 80m CW 14 Simple APRS tracker Anthony...

Contents To read RadCom Plus, click cover picture. 4 Third Method narrowband direct upconverter for the LF/ME bands Following on from the circuit published in the May 2016 RadCom, Andy Talbot, G4JNT discusses the issues and solutions for making a direct SSB upconv...

Contents To read RadCom Plus, click cover picture. 4 DATV video link Construction, testing and characterisation Mark Atherton, ZL3JVX has been working on a 1.3GHz digital video shack-to-repeater link using a custom DVB-S modulator and an off-the-shelf satellite re...

Contents To read RadCom Plus, click cover picture. 1 A position reporting system using WSJT weak signal data modes Andy Talbot, G4JNT devises a method for sending highly accurate location information with excellent weak signal performance 6 A home-built all-digita...

Contents To read RadCom Plus, click cover picture. 4 The DG8 Ian White, GM3SEK builds a low-cost, high performance masthead preamp for 2m that uses a novel method of Tx/Rx switching 12 Building a Dual Z-Match Covering 1.8MHz to 146MHz, Bob Burns, G3OOU designed th...