[TenTec] Centering Orion II Roofing Filters
aa6cc at msn.com
Tue Oct 16 13:50:19 EDT 2007
Elecraft makes a XG1 Receiver Test Oscillator which puts out a 1 uV and 50
uV test signal on 7040 KHz. The little oscillator is not very expensive and
is an excellent stable signal source for adjusting the roofing filters on
the Orion. They should be available directly from Elecraft.
----- Original Message -----
From: "Harry G. McGavran Jr. " <w5pny at w5pny.com>
To: <tentec at contesting.com>
Sent: Tuesday, October 16, 2007 10:01 AM
Subject: [TenTec] Centering Orion II Roofing Filters
> It seems that one really needs a stable steady
> signal, both in frequency and level to do this job.
> Short of homebrewing a crystal calibrator (since
> these seem to be few are far between these days,
> even on ebay), what do people use for a good steady
> signal source for this job. Off the air signals
> seem to have enough QSB to be a problem and without
> a second rig to use for a source, I was curious
> what other people used...
> Harry, W5PNY
> Harry G. McGavran, Jr.
> E-mail: w5pny at arrl.net
> TenTec mailing list
> TenTec at contesting.com
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