G0KYA's Amateur Radio Blog

Thanks for stopping by. This is where I publish a lot of my features and thoughts on HF propagation, antennas and other ham radio topics. I write for a number of radio magazines, including the RSGB's RadCom and ARRL's QST. I am also chairman of the RSGB's Propagation Studies Committee and produce the weekly HF propagation report for GB2RS. When not playing radio I'm a professional journalist specialising in aerospace, science and technology and am also author of four RSGB books.

Wednesday, 20 August 2014

HF and Medium Wave 65-ft Inverted L

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The SRC X65 with its original box, now long gone. I've been using a 65ft inverted L with a 9:1 unun for some time. It was origina...

PA0RDT Miniwhip – commercial and homebrew versions tested

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The circuit diagram - you can easily make this on a piece of PCB. This has to be the ultimate in small antennas – one that will recei...
1 comment:
Monday, 19 May 2014

An Introduction to Antenna Modelling

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Just a quick reminder that my new book "An Introduction to Antenna Modelling" is now available. The book looks at the free MM...
3 comments:
Saturday, 22 March 2014

28MHz (10m) beacons still romping in

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Predicted 10m propagation at 1600UTC March Had an interesting hour or so listening for 28 MHz beacons this afternoon. Despite the VOA...
Tuesday, 18 March 2014

International Marconi Day, Saturday 26th April 2014

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Keith M0DZB operating at GB0CMS Saturday 26th April 2014 is International Marconi Day (IMD) when stations around the world celeb...
Friday, 24 January 2014

New propagation predictions for first quarter 2014

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I have now updated my HF propagation prediction charts for the first quarter of 2014 to take into account the latest predicted smoothe...
Sunday, 29 December 2013

Christmas Eve 2013 LF broadcast from SAQ, Grimeton, Sweden

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The SAQ 17.2kHz transmitter at Grimeton, Sweden I remembered to record the Christmas Eve Morse broadcast from the world heritage radio...
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Steve Nichols
Steve Nichols is an author, freelance journalist, photographer and communicator specialising in aerospace,science and technology. See www.infotechcomms.co.uk for more details.
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