Return to KLUBNL.PL main page

rsgb_lf_group
[Top] [All Lists]

LF: 137.5kHz WSPR Tuesday evening - reports appreciated

To: [email protected], Chris Osborn <[email protected]>, G6ALB <[email protected]>, James Cowburn <[email protected]>, Chris Dillon <[email protected]>, James Moritz <[email protected]>, [email protected]
Subject: LF: 137.5kHz WSPR Tuesday evening - reports appreciated
From: Roger Lapthorn <[email protected]>
Date: Tue, 7 Sep 2010 17:34:39 +0100
Dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:received:date:message-id :subject:from:to:content-type; bh=mk0eOOcfGPv9qhX29lH5Sx/ukkob3GaFfQ/2YpvjfiY=; b=aVba9I3pQf4OoFME22/vccuC91GOww9oyQivnjMp8qEF5DDltRgrac4Kwqxm8Wb5kT nq9vS4wadTIsuOcZq25l9vEG7VR8qgPpZN+VUFQZDurJ2oJpfFK7gcK6fLUY3XMGy2t2 oQz4Zh4OFXrydV4CnRLoQT8660LcEFCp/FZig=
Domainkey-signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:content-type; b=rqRhE1vU4q3lX7al/j7k1qpgUjGdQ34JHTZSYj4Pz/McKNt2Dqsif5YSKiUM1QAqtS OI7iM47AFyvikp3TKikWHQI/3Jp+tPRUmDfDkGGqIo05LP5UfHG2ATdAaIZhZ8txFsmf ATjvHZs6wasSAcVMGorL5zYQatsdEweQCKODk=
Domainkey-status: good (testing)
Reply-to: [email protected]
Sender: [email protected]
My 137.5kHz WSPR TX transverter is now working fine, so I'll be on-air with WSPR tonight (Sept 7th) from 5.30pm - 11pm UK time.

After my success on QRSS3 with G3XIZ I'm hopeful he'll now decode my WSPR signal tonight, assuming Chris can take a listen. If anyone else within, say, 100km of Burwell, Cambs JO02dg cares to take a look for the WSPR beacon (running around 35% TX time) I'd be most grateful.

Not sure if anyone else has had this problem, but I was using the small 16mm 3C90 cores (cream colour) as the PA bifilar output transformer and I had all sorts of issues with the darn thing overheating and even one cracking. I replaced this with a choke wound on a T106-2 core and made the output network work in class D/E and now everything is working very predictably. The larger diameter 3C90 cores seem fine in the step-down transformer matching the "in the air" loop.

The WSPR beacon is now going ON.....

73s
Roger G3XBM


--
http://g3xbm-qrp.blogspot.com/
http://www.g3xbm.co.uk
http://www.youtube.com/user/g3xbm
G3XBM   GQRP 1678    ISWL G11088
<Prev in Thread] Current Thread [Next in Thread>