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LF: RE: 137.700 Screens

To: [email protected]
Subject: LF: RE: 137.700 Screens
From: "Dave Pick" <[email protected]>
Date: Sat, 6 Nov 2004 17:44:37 -0000
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John.

The receiver in use for that grabber is a drifty old IC735 which is about
20Hz off cal, those 3 strong lines should be a little HF of where my
graticule indicates! I'll tweak it now.
If the noise is off I can see Loran lines every 6Hz or so. God knows what
it'll be like when Rugby comes on!
Very interested on the blanker discussion. Sounds a bit like the
"woodpecker" blanker that my TS850 has, it's absolutely useless for normal
noises...

73
Dave G3YXM.

-----Original Message-----


I noticed that G3YXM was running screen grabs on 137.700 kHz this morning,
with an Argo 3 second slow screen. I took a shot of the same spectrum here,
and placed them side by side:
http://webpages.charter.net/w1tag/files/700.jpg

Mains-related interference aside, you can see the effect of a target-rich
Loran environment. I have Loran sites at 194, 412 and 587 km, with three
chains represented.

John Andrews, W1TAG







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