RSSRadCom Plus

RadCom Plus, Vol. 2, No. 2

| July 28, 2016
RadCom Plus, Vol. 2, No. 2

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 upconverter that is suitable for audio or digital modes 10 A journey into […]

Continue Reading

RadCom Plus, Vol. 2, No. 1

| February 5, 2016
RadCom Plus, Vol. 2, No. 1

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 receiver. This article documents some of the equipment that was constructed along the way. 16 Algorithms and […]

Continue Reading

RadCom Plus, Vol. 1, No. 2

| September 30, 2015
RadCom Plus, Vol. 1, No. 2

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-digital PAL vectorscope Inspired, apparently, by a dodgy T-shirt, this FPGA-based project by Mark Atherton, ZL3JVX […]

Continue Reading

RadCom Plus, Vol. 1, No. 1

| April 30, 2015
RadCom Plus, Vol. 1, No. 1

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 this wide frequency range dual Z-Match for use with his stub […]

Continue Reading