RSSRadCom Plus

RadCom Plus, Vol. 9, No. 1

| January 23, 2024
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

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RadCom Plus, Vol. 8, No. 1

| July 28, 2023
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: […]

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RadCom Plus, Vol. 7, No. 1

| December 22, 2022
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 […]

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RadCom Plus, Vol. 6, No. 2

| February 3, 2022
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 […]

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RadCom Plus, Vol. 6, No. 1

| May 19, 2021
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 […]

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RadCom Plus, Vol. 5, No. 1

| December 16, 2020
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 […]

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