XPost: rec.radio.amateur.moderated, uk.radio.amateur, free.uk.amateur-radio
Roger G3XBM's (Mainly) Amateur Radio Blog
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472kHz (630m) WSPR TX activity levels lower?
Posted: 09 Sep 2021 02:33 AM PDT
http://g3xbm-qrp.blogspot.com/2021/09/472khz-630m-wspr-tx-activity-levels.html
Maybe people are using different modes or it is still too early in the season, but the impression I have is there are plenty of monitors on WSPR
RX, but fewer people on TX. Usually I am on QRP WSPR TX, but am not yet.
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10m FT8 QRP
Posted: 09 Sep 2021 01:14 PM PDT
http://g3xbm-qrp.blogspot.com/2021/09/10m-ft8-qrp.html
It is now 0740z. I have been on 10m FT8 (QRP) for about 10m. I briefly was
on TX with 2.5W. So far, no spots received or given.
UPDATE 0836z: 3 spots received from other stations. 2 look like Es. This re-enforces, to me, that there is still Es about, but there is far less and
it is more sporadic. In these situations FT8 (and probably FT4) can be
useful. Signals have certainly been strong so the shorter duration of FT4
might catch more, even shorter, openings? I have never tried FT4.
UPDATE 1722z: 20 stations spotted. IS0AWZ was spotted at an incredible
+18dB S/N.
UPDATE 1816z: 21 stations spotted with the furthermost PY2XB (9599km) in Brazil.
UPDATE 2015z: Loads of South American stations spotted on 10m FT8 RX this evening. In all, 57 stations spotted on 10m FT8 RX today. You get the
feeling 10m is becoming a serious DX band again after a few relatively
quiet years.
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Schottky diodes
Posted: 09 Sep 2021 12:27 AM PDT
http://g3xbm-qrp.blogspot.com/2021/09/schottky-diodes.html
Spooky!
The other day I mentioned Schottky diodes in a post. Today I notice the
adverts on Amazon are for Schottky diodes from one of the suppliers I
visited! Obviously targeted ads.
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472kHz (630m) WSPR RX last evening
Posted: 09 Sep 2021 12:32 AM PDT
http://g3xbm-qrp.blogspot.com/2021/09/472khz-630m-rx-last-evening.html
Just 2 unique stations spotted on RX last evening, both in Germany. Disappointing.
UPDATE 0730z: Doh!! It helps if you connect the correct antenna! The above
were with the 10m antenna connected by mistake! I shall try again this
evening to see how I get on - this time with the correct antenna!
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Sunspots - Thursday September 9th 2021
Posted: 08 Sep 2021 11:06 PM PDT
http://g3xbm-qrp.blogspot.com/2021/09/sunspots-thursday-september-9th-2021.html
Solar flux is 100 and the SSN 87. A=14 and K=1.
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