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
Tap or click the link below to download this week’s news script News script for 21 January 2024 (MS Word document)
The deadline for applications for the one elected RSGB Board Director position, and eight Regional Representative roles is Wednesday, 31 January 2024. Amateur radio needs a strong and active national society, so don’t leave it to everyone else. Step forward for one of these roles, and play your part in the future of the RSGB. […]
A reminder that the RSGB is looking for four licensed radio amateurs to help raise the profile of wireless communication amongst young people across the UK. We have had a good response, but we’d still like to hear from prospective volunteers in Northern Ireland and Wales. These volunteer Youth Country Representatives will represent the RSGB […]
The Lincoln Short Wave Club Winter Radio Rally will take place on Sunday 28 January at The Festival Hall, Caistor Road, Market Rasen, LN8 3HT. The doors will be open from 9am and admission is £2. Ample free car parking and hot refreshments will be available. Tables cost £10 each. At 2pm, after the Rally, […]
A team of German amateurs is operating special event callsign DM24EHF until the 28 January. The EHF suffix stands for European Handball Federation. The 16th edition of the European Men’s Handball Championship is being hosted in Germany from the 10 to the 28 January. QSL via the bureau, or directly to DL2VFR. The Straight Key […]
Chris, WA7RAR will be active as 8P9CB from Barbados, NA-021, until the 25 January. Most of his operations will be portable at various locations, especially Parks on the Air sites. He will be QRV on the 20 to 10m bands using CW and SSB. QSL via Logbook of the World, or directly to WA7RAR. Listen […]
On Tuesday the 23 January, the SHF UK Activity Contest runs from 1930 to 2230UTC. Using all modes on the 13cm band, the exchange is signal report, serial number and locator. The CQ 160m DX Contest starts at 2200UTC on Friday the 26 January and ends at 2200UTC on Sunday the 28 January. Using CW […]
We had yet another week with good solar conditions which, at this point in the cycle, is good news. The solar flux index remained in the 170s to 180s range and the Sun is currently peppered with spots. The Kp index never got above 3.33 and that was only for one three-hour period on January […]
Meetings of Bolsover Amateur Radio Society take place on the first and third Tuesdays of the month starting at 8pm at the Bainbridge Hall, Bolsover, S44 6PX. Vin, G4KSY, 01246 827135 Bromsgrove and District Amateur Radio Club meets every Friday from 8pm. Members also have a regular coffee morning on Wednesdays in the Club’s shack from […]
