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Roger G3XBM's (Mainly) Amateur Radio Blog
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Sound powered TX
Posted: 15 Nov 2021 05:30 AM PST
http://g3xbm-qrp.blogspot.com/2021/11/sound-powered-tx.html
Looking back on my emails I see some correspondence from Michael Rainey
AA1TJ about a sound powered CW TX he built. I think Michael's TX involved converting sound from his voice into CW RF. I have seen other circuits that convert the action of pressing the Morse key into RF. In theory, this would also work with speech. Of course, physics dictates that low milliwatts only
can be achieved.
If you know of ideas, please let me know.
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Getting thinner?
Posted: 15 Nov 2021 01:57 PM PST
http://g3xbm-qrp.blogspot.com/2021/11/getting-thinner.html
Through the post today I got my monthly copy of Practical Wireless. It
seems a lot thinner. To my mind this says one thing: they are in trouble
and are trying to save money.
Not looked inside yet. It may be fewer adverts or fewer articles or both.
I have been a faithful subscriber for many years, but may stop.
In Rob Mannion's day I wrote articles for PW.
How much longer will it continue?
UPDATE 1700z: I am puzzled. Several issues have had a similar number of
pages, yet it feels noticeably thinner to me. Is it thinner paper?
UPDATE 2156z: It has been this thin for several months, although this is
the first time I have noticed.
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10m FT8 RX (Monday)
Posted: 15 Nov 2021 01:58 PM PST
http://g3xbm-qrp.blogspot.com/2021/11/10m-ft8-rx-monday_15.html
A few minutes ago, I turned on my 10m FT8 system. So far (at 1137z) 2
stations spotted.
UPDATE 1340z: 19 stations spotted on 10m FT8 RX with the furthermost
ZS4JAN (9386km).
UPDATE 2147z: 64 stations spotted today on 10m FT8 RX. QRT soon.
UPDATE 2158z: QRT.
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Sunspots - Monday November 15th 2021
Posted: 15 Nov 2021 01:13 AM PST
http://g3xbm-qrp.blogspot.com/2021/11/sunspots-monday-november-15th-2021.html
Solar flux is 78 and the SSN 23. A=4 and K=1.
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