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LF: SM6LKM Jason beacon affected by multipath

To: [email protected]
Subject: LF: SM6LKM Jason beacon affected by multipath
From: [email protected]
Date: Fri, 9 Aug 2002 14:18:47 EDT
Reply-to: [email protected]
Sender: <[email protected]>
Hi all,

Copy on Johan's beacon gets worse though the noise (QRN) gets weaker.

Shortwave is so much different than LF.. see attached image.

The 7 MHz signal suffers from multipath, every Jason symbol (tone) now consists of two peaks separated 50..150 mHz (m=milli, M=Mega, the European way).
The decoder doesn't like it, but on a waterfall it looks interesting (like ancient symbols..).

Thanks for the "off-band" tests,
73 Wolf DL4YHF.

To Johan: Sent this mail directly to you just in case the attachment didn't make it through the reflector.

JPEG image

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