CQ WPX RTTY contest

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This weekend the bands sprung into life with some RTTY, and I decided to join in the fun. Operating with the Secret Nuclear Bunker call MX0SNB certainly drummed up some business. Despite the odd interruption I managed 359 QSO in 52 … Continue reading

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Canvey Radio Rally 2017

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Ive written a short report on the 2017 Canvey rally. Really nice to see so many people, attendance seemed to be good. A great selection of vintage equipment (OK junk) on offer, with all the usual traders. You can read … Continue reading

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Ultimate Labs construction (Part 2)

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I have added multi band options to the U3S recently. Part 2 of the project deals with the addition of the switched LPF relay board and additional LPF. You can read the story of the construction, thankfully without the addition … Continue reading

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LF and MW reception in an urban back garden

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Seems impossible, receiving signals on LF or MF with a small antenna. Results may surprise you, and the M1GEO Wellgood loop* may be just the ticket. *Sheep not included Review the various options, and listen to the difference a loop … Continue reading

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Turkey, wine and Ultimate 3S

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Over christmas I decided it was about time I got on with the Ultimate 3S project from QRP Labs. Inspired by George M1 GEO and Dave G7UVW QRSS on 10 MHz i decided to heat up the soldering iron and … Continue reading

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RSGB Christmas Cumulative Conest

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George M1GEO and Dave M0TAZ worked a few in the RSGB Christmas contest, using 144 MHz. You can read the report and view the pictures online. Our best DX was into Spain at 1143 KM.

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Tests on 4 metres on the Clansman 353

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John, G8DZH, has converted my email to a few LEFARS members interested in 4 metre operations  into this blog post as hopefully of interest to a wider audience.  I’d been experimenting with the various settings for bandwidth with different handsets on a … Continue reading

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EME and MS Weekend

Members of the Secret Nuclear Bunker CG attempted to make both EME (Earth Moon Earth) and MS (Meteor Scatter) QSO from Kelvedon Hatch SNB last weekend. The ARRL EME event encourages the small and not so small station to give … Continue reading

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The not so definitive guide to electronic logging

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In 1974 when computers filled the average living room electronic logging was a card index system, but thankfully things have moved on. Read my not so definitive guide to electronic logging.  

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Raspberry pi Zero used as a 30 metre Wspr Transmitter

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I have assembled a 30 metre low-pass filter from Language Spy (link here) and soldered header pins to the GPIO on the Raspberry Pi zero. Note that the Pi-LPF kit uses surface-mount components and provides a 7-pole Chebyshev low-pass filter … Continue reading

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