Roger G3XBM's (Mainly) Amateur Radio Blog

SRC X80 multi-band vertical This next weekend is, I believe, the big ARRL DX contest and, if 10m is open, a good chance to work some tran...

Thanks for the suggested names for my 10m DSB project. The one that wins is the Tenbox , which is the logical name following on from my earl...

Today I continued breadboarding the TX strip of the 10m DSB transceiver changing the single balanced mixer to a broadband design and adding/...

Today I spent a little time on the transmit strip of my 10m DSB transceiver project . I started with the single balanced mixer using a T50-6...

HE3OM (Switzerland) is currently active during February using an old broadcast antenna 125m long vertical. Signals in Europe are very stron...

M0AFJ's 4m CW at 75km tonight This evening I did a test with M0AFJ in Milton Keynes about 75km west of me on 70.210MHz SSB and CW. Ti...

70MHz (4m) 1W pep transverter The schematic of my QRP transverter for 4m (70MHz) is attached here and is also available on my website. Ca...

Using my 70MHz homebrew transverter I managed my first ever 4m QSO using my own callsign this evening. I worked G6ALB on 70.2MHz SSB first...

My wife Lis with the snowdrops and aconites Today my wife and I went for a walk to a quiet spot not far from here where we go every year ...

This morning the sunspot count is at 84 with a solar flux level 107, the first time I've seen these figures in very many years. Alread...