RadCom Plus
RadCom Plus, Vol. 7, No. 1
To read this edition, tap or click the cover image Contents 1 On the response of an active dipole antenna Gwyn Griffiths, G3ZIL and Glenn Elmore, N6GN 8 Icom IC-705 aerial switch and automatic antenna tuning unit Bob Harris, G4APV 14 Operating on the 30THz band – Part 2 Barry Chambers, G8AGN 25 A portable […]
RadCom Plus, Vol. 6, No. 2
To read this edition, tap or click the cover image Contents 1 High loss RF sampler taps Thomas Alldread, VA7TA 8 Operating on the 30THz band – Part 1 Barry Chambers G8AGN 14 Long delay echoes A.K. Goodacre VE3HX 19 Experiments with DIY remote operations Bob Cowdery G3UKB Download options IMPORTANT NOTICE The PDF/EPUB file […]
RadCom Plus, Vol. 6, No. 1
To read this edition, tap or click the cover image Contents 3 Driving relays over a network Bob Cowdery, G3UKB 8 An Automation system for the WSPRLite Bob Cowdery, G3UKB 13 Sporadic E – where we are now? Jim Bacon, G3YLA 26 piWebCAT: a CAT software system for transceiver control Ian Sumner, G3VPX 30 Developing […]
RadCom Plus, Vol. 5, No. 1
To read this edition, tap or click the cover image Contents 3 Wide dynamic range field strength meter Thomas M. Alldread, VA7TA, describes his wide dynamic range field strength meter 19 Elevating an antenna with anti-phased elements Tony Preedy, G3LNP, shows us how to achieve the enhanced performance of a high 7MHz antenna at a […]
RadCom Plus, Vol. 4, No. 1
To read this edition, tap or click cover image Contents 3 VnArduino An Arduino VNA: vector network analyzer 11 The pros and cons of multiband inverted-V antennas Investigates the radiation performance of multiband antennas when deployed in horizontal or inverted-V configurations 16 A single frequency repeater Simultaneous FM Tx + Rx at VHF, as first […]
RadCom Plus, Vol. 3, No. 1
To read this edition, tap or click cover image Contents 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 […]
