Roger G3XBM's (Mainly) Amateur Radio Blog

From Eddie G3ZJO: "Hi All Since my last post Stefan DK7FC has been sending data using EbNaught on 8270.100 Hz. A 2 letter messa...

Henny PA3CPM has been continuing his 8.270kHz VLF transmissions, on and off, for some weeks now and is getting reports from several station...

DJ8WX's VLF signal received by G3ZJO (frequency is Hz) This last week or so Uwe DJ8WX has been active again on VLF from his locatio...

This afternoon I had my first digital 2-way QSO on the new 472kHz band using JT9-1 mode created by K1JT. The contact was with G3ZJO in IO92...

Well, the JT9-1 test QSO with G3ZJO was a total success and completed in around 10 minutes this evening. Later, I called CQ on JT9-1 and go...

My days long, continuous carrier test with G3WCD (32km) and G3ZJO (around 50km) around 8.977188kHz ended yesterday. I was using my 20m spa...

DK7FC, PA3CPM and DF6NM have all been TXing today around 8.970kHz with reception reports coming in from many of the western European grabb...

Chris G3XIZ has just started TXing again and is a decent signal here in 424uHz bandwidth with the signal up to 20dB over the noise (see pic...

Just weak a very weak trace overnight (you have to look hard!) from DJ8WX on VLF. Compared with his signals a few days ago he is at least 1...

G3ZJO has a QRSS3 beacon sending in FSK built in Altoids tins and running QRPp power. This is is a screenshot (from Spectran) of his signal...

Guess what?  Lubos OK2BVG has just spotted G3ZJO 's tiny signal on 500kHz. Eddie is running only 200uW ERP. This evening conditions on 5...

Eddie, G3ZJO , has managed to copy my 500kHz WSPR beacon tonight. He is now the 13th station to hear me on the band. No great DX at 79kms, b...

Just been active on 6m WSPR this morning running 5W to the vertical colinear. The only person to report me, several times, so far has been G...

Just been WSPRing on 6m and spotted G3ZJO, who is 79kms from here, by aircraft scatter . This is clear from the WSPR waterfall display which...

Interesting piece on G3ZJO 's blog about 50MHz aircraft scatter using WSPR signals . He has a nice waterfall display showing the strange...