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LF: 73kHz Friday night

To: [email protected]
Subject: LF: 73kHz Friday night
From: "James Moritz" <[email protected]>
Date: Mon, 3 Apr 2000 14:48:11 +0000
Organization: University of Hertfordshire
Reply-to: [email protected]
Sender: <[email protected]>
Dear LF group,
Had a nice QSO with G4GVC on 73kHz for the first time on friday night using normal CW. Also could hear G2AJV's beacon signal again - the frequency drift that I have noticed on Roger's signal before was completely absent, so his new crystal 'VFO' is working well. I would expect that we could make a QSO, and so I waited for a break in the transmission, but none came. Later on, had a cross-band QSO with G3AQC, also for the first time. The rest of the weekend was tied up with things unrelated to radio.
As far as frequency use on 73kHz is concerned, while Rugby
remains off-air, frequencies above 71.8 kHz are perfectly good,
and have been used for all sorts of QSO. When it comes back on
again, only the bottom few hundred hertz of the band will be much
use for any type of operation, which is why people chose 10Hz
frequency slots around 71.8kHz for slow CW, a sub-band of
perhaps 50Hz in total. This leaves the bottom couple of hundred
hertz (the least noisy bit when Rugby is on) for normal CW
operation. As informal arrangements go, it seems to be quite a
good one.
Cheers, Jim Moritz
73 de M0BMU

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