Message-ID: <4E3B1BFD.5090807@iup.uni-heidelberg.de>
Date: Fri, 05 Aug 2011 00:23:57 +0200
From: =?ISO-8859-15?Q?Stefan_Sch=E4fer?= <Stefan.Schaefer@iup.uni-heidelberg.de>
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To: rsgb_lf_group@blacksheep.org
Subject: LF: CW sked on 137 friday morning?
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LF,

I want to call for CW skeds now,i.e. for tomorrow morning.

After testing the UHF link today i was impressed by the silence of the 
LF band when beeing in the forest with the loop! The band noise is about 
15 dB above the soundcard noise now, which is OK for today but not for a 
quiet winther sundday morning. BTW i built M0BMUs loop preamp and it 
works excellent too! Still have to compare the homemade RX to the 
706+preamp...

DCF39 peaked 80 dB S/N in 1.5 Hz. The sferics were much louder compared 
to the background noise. Inbetween the sferics, CW reception would have 
been possible. I even heared some short beeps, probably someone was 
testing without hearing my call.

The UHF link works excellent! About 1 W RF power to a homemade 1/4 wave 
wire on the car roof was totally enough to reliable key the PA. Even 
normal CW is possible without problems. Just a few times the squelch 
opened unwanted.

When installing a large RX loop in the trees, resonated and matched to 
50 Ohm, i can make a tour with the bike and just the netbook and the 
homemade RX (fed by the USB) and another 70cm mobile QRP TRX.

Tomorrow morning i want to do another test even farer away from the 
city, about 5 km, where my earth antenna is placed. I'll take the single 
turn loop again with me.

I hope to get a QSO partner then.

Will try to do something with the earth antenna as a RX antenna. A small 
PI filter should match and band limit the whole thing... 800 to 50 Ohm.

Is someone QRV tomorrow? Ah, i think about 8...9 UTC... Other 
suggestions? (no, no other hobby).

73, Stefan/DK7FC