RadCom Plus

RadCom Plus is the RSGB’s digital technical supplement

RadCom Plus, Vol. 9, No. 2

September 24, 2024

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 ma...

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RadCom Plus, Vol. 9, No. 1

January 23, 2024

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 approac...

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RadCom Plus, Vol. 8, No. 1

July 28, 2023

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 transcei...

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RadCom Plus, Vol. 7, No. 1

December 22, 2022

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 – ...

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RadCom Plus, Vol. 6, No. 2

February 3, 2022

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 Cowder...

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