RSSRadCom Plus

RadCom Plus, Vol. 3, No. 1

| September 11, 2017
RadCom Plus, Vol. 3, No. 1

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 Le Cren, F4GOH designed this little low-cost FM transmitting card […]

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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 […]

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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 […]

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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 […]

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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 […]

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