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Roger G3XBM's (Mainly) Amateur Radio Blog

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10m FT8 QRP (Friday)

Posted: 27 Aug 2021 05:53 AM PDT http://g3xbm-qrp.blogspot.com/2021/08/10m-ft8-qrp-friday_27.html


In a few moments I hope to go on 10m FT8 with 2.5W QRP. My usual pattern is
to CQ for a few minutes then go mostly on RX. Very little happened
yesterday until late.
UPDATE 0812z: One local spot of me on TX by G4KPX (13km) and just 1 G
spotted on RX - 2E1RDX (139km).
UPDATE 1130z: 34 stations spotted on 10m FT8 RX. Lots more Es than
yesterday!
UPDATE 1252z: 35 stations spotted. It looks like the Es has stopped for
now. 👎

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Yesterday on 10m FT8

Posted: 26 Aug 2021 11:30 PM PDT http://g3xbm-qrp.blogspot.com/2021/08/yesterday-on-10m-ft8.html


After a very slow start, 10m opened up with Es in the evening. In all, 15 stations were spotted across Europe. FT8 is a good mode as there are plenty
of monitors and it works with weak signals.

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XBM80-2

Posted: 26 Aug 2021 10:42 PM PDT http://g3xbm-qrp.blogspot.com/2021/08/xbm80-2.html




Yesterday, I posted the 10m Lesser Chirpy. This was based on the 80m
XBM80-2 QRP CW transceiver which is shown here.
You would be hard pressed to make this transceiver much simpler! Do not be afraid to experiment - I am sure you can do better.
S1 provides offset between RX and TX by shifting the crystal frequency, how much will depend on C1. You could always make C1 adjustable so the offset
is what you want.

See
https://sites.google.com/view/g3xbm4/home/hf-mf-and-lf/homebrew/80m-xbm80-2 .

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Sunspots - Friday August 27th 2021

Posted: 26 Aug 2021 10:40 PM PDT http://g3xbm-qrp.blogspot.com/2021/08/sunspots-friday-august-27th-2021.html


Solar flux is 89 and the SSN 47. A=6 and K=3.

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