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.

Showing posts with label 137 khz. Show all posts

Showing posts with label 137 khz. Show all posts

16 Jan 2026

137kHz beacon

Many years ago I did some experiments on the 2200m band. This was my prototype beacon that sent CW and QRSS3.

3 Mar 2024

137kHz QRSS3 test

One of the aims for this week is to carry out that 137kHz QRSS3 test with my earth-electrode "antenna" in the ground with my FT817...

16 Jan 2024

2200m beacon

My test a year ago with this was (surprisingly) a failure. At some point I would like to try again. There is a short video of this beacon on...

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Roger G3XBM: Burwell, Cambridge, United Kingdom

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