RadCom Plus
RadCom Plus, Vol. 9, No. 2
To read this edition, tap or click the cover image Contents 1 A relay controller written using AI Stewart Bryant, G3YSX 12 The weird arithmetic behind error correction Andy Talbot, G4JNT 17 Operating on the 30THz band: part 4 Barry Chambers, G8AGN 27 Efficient magnetic loops Tony Preedy, G3LNP Download options
RadCom Plus, Vol. 9, No. 1
To read this edition, tap or click the cover image Contents 1 Excessive RF level protection filters Tom Alldread, VA7TA 16 Building and testing antenna noise cancellers Sheldon Hutchison, N6JJA 28 Fourier transforms in digital communications: a geometric approach Michael Toia, K3MT 35 The design of linear power supplies Andy Nehan, G4HUE Download options
RadCom Plus, Vol. 8, No. 1
To read this edition, tap or click the cover image Contents 1 Alignment of multi-resonator band-pass filters without a sweep generator John Worsnop, G4BAO 3 A compact broadband active antenna for VHF/UHF: The “Scantenna” John Hawes, G8CQX 10 Receiver and transceiver home design and construction Bob F. Burns, G3OOU 33 Operating on the 30THz band: […]
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 […]