Roger G3XBM's (Mainly) Amateur Radio Blog

Simple QRP projects, 10m, 8m, 6m, 4m, FT8, 160m, WSPR, LF/MF, sub-9kHz, nanowaves and other random stuff, some not related to amateur radio.

19 Sept 2021

ICOM IC-9700

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 If I had money to burn, this is a VHF/UHF rig that I might consider. It covers 2m, 70cm and 23cm, all modes. It is an SDR transceiver. It i...

Sunspots - Sunday Sept 19th 2021

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Solar flux is 74 and the SSN 11.  A=11 and K=0.
18 Sept 2021

Brighton collage - NOT amateur radio

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For about a day now, we have been back home after a short break in Brighton travelling by train. The photo shows some of the scenes. We had ...

Coronal mass ejection (CME)

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 At the moment, we have a CME hitting the Earth. This looks minor.

Internet over free-space optical - NOT amateur radio

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The BBC has an interesting piece about the use of free space optical communications to bridge the River Congo in Africa where optical fibre ...

10m FT8 QRP (Saturday)

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The Es season is over. Although there will still be openings via the E layer, these will be more sporadic and short-lived, unlike a few mont...

160m FT8

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As an experiment I tried my earth-electrode "antenna" in the ground on 160m FT8. The match is very good and with QRP I have been s...

Our history - NOT amateur radio

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For almost 600 years we have lived in South Devon. We were probably here thousands of years earlier. The photo shows where my ancestors live...

Sunspots - Saturday September 18th 2021

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 Solar flux is 73 and the SSN 0. A=24 and K=4.
17 Sept 2021

Hotel breakfast - NOT amateur radio

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Most hotels have a similar buffet breakfast. This was my breakfast this morning. I last stayed in this hotel about 33 years ago on a course ...
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Roger G3XBM
Burwell, Cambridge, United Kingdom
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