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Breadboarded 137kHz 8W transverter (ERP 50uW from antenna) |
Simple 137kHz QRP transverter - click for larger image |
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.
![]() |
Breadboarded 137kHz 8W transverter (ERP 50uW from antenna) |
Simple 137kHz QRP transverter - click for larger image |
Ely Cathedral, UK, is a masterpiece of medieval engineering. It was built about 1000 years ago, but the central tower collapsed in 1322 and...
3 comments:
Well done Roger.
Tony
Hello Roger
I have just sent the new circuit to my iPod touch
to view at a latter date. Any more news on the four metre
transverter? Liked your YouTube clip.
Kind regards
Tony
Tony
My 42MHz crystals should be here this week. Building and testing will follow quickly thereafter.
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