From: "Mike Dennison" <mike.dennison@rsgb.org.uk>
Organization: Radio Society of Great Britain
To: rsgb_lf_group@blacksheep.org
Date: Mon, 9 Aug 1999 14:03:04 +0100
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Subject: Re: LF: 73kHz skeds?
In-reply-to: <37AE69E3.6DC7E49E@phonakcom.ch>
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> how about a cross band QSO 73/136 in Slow CW. 
> 
> 73 de Toni, HB9ASB
> 

Ho Toni.

I would love to, but I think we have a better chance later in the year 
for the following reasons:

1)	I have been plotting the signal from HBG using ON5OO's 
excellent software, and it confirms what I had from casual 
observation. That is an 8-10dB enhancement when the path is in 
darkness. I will post some of these shortly on my web site. At 
present, either we must get up very early or battle with QRN at 
night.

2)	There are several improvements to be made to my antenna 
system which will give me a greater effective height and bigger 
capacitance hat. Both of these will have a greater effect on 73 than 
136.

3) My 73kHz erp at present is around 23mW, compared to about 
140mW on 136 so we will need all the help we can get.

Suggest we take another look at a sked around late September.

By the way, I will be doing some serious 73kHz work from west 
Wales in October, hoping to beat the two-way record which is 
about 180km at present. I expect to have a really stable oscillator 
(wow!) and will be able to send QRSs from a portable site in GW. A 
one-way to you, or a two-way cross-band would really be one for 
the record books at 1000km+, and very difficult to beat in the few 
months we still have the band (ends in June 2000). I have heard 
you on 136 from GW so that bit is easy!!!

By the way, I failed to get my report last time we worked on 
136kHz normal CW so would appreciate a call next time you hear 
me.

73


Mike, G3XDV (IO91VT)
http://www.dennison.demon.co.uk/activity.htm