From: "James Moritz" <j.r.moritz@herts.ac.uk>
Organization: University of Hertfordshire
To: rsgb_lf_group@blacksheep.org
Date: Mon, 2 Jul 2001 16:51:07 +0000
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Subject: LF: 73kHz activity
Message-ID: <E15H5xF-0005pZ-00@gemini.herts.ac.uk>
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Dear LF Group,

I had to give "my" cherry-picker back to it's true owner over the 
weekend, who needs it for work for an indefinite period. So 
unfortunately I am now without my high antenna support, until I can 
devise a suitable sky-hook that won't attract the attention of the 
local planning department. The extra height is worth several dB on 
the transmitted signal at 73k, so for this reason, I did not think it 
worthwhile running my 73kHz beacon signal over the weekend. 

However, I Hope to be QRV tomorrow morning, and the signal level 
I can get should be OK for the daytime noise level. I have to go to 
work eventually, so will start around 0700. If Rugby is operating, 
about 71.65 is the best frequency for aural CW, as the noise is 
lowest there. Assuming Rugby has shut down, I will move up the 
band to 72kHz or so.

As far as X-band contacts to 136kHz are concerned, I can switch 
between 73k and 136k receive quite quickly to listen for replies.  
Perhaps 137.2kHz or thereabouts would be better than 136.5, 
because there will probably be fewer people trying to have 136kHz 
QSOs on that frequency - in my experience, it can result in 
confusion when someone is calling on 136.5, but cannot hear a 
station replying on the same frequency. But that's just an idea.

Cheers, Jim Moritz
73 de M0BMU