LF: MF WSPR

To:	<[email protected]>
Subject:	LF: MF WSPR
From:	"Markus Vester" <[email protected]>
Date:	Fri, 12 Oct 2012 22:48:17 +0200
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Also watching the MF WSPR activity from here... so far DK7FC, PA3ABK, DK6NI, and DL3NDR.

Apparently DL3NDR is attempting to transmit the same signal on two frequencies simultaneously, 475.655 and 475.785 kHz, at 100 % duty cycle. Unfortunately the TX seems to be driven into nonlinearity, and there are -20 dBc IM products spaced at several multiples of 130 Hz. As Roland is quite strong here at 24 km this is a bit annoying :-(

Best 73,

Markus (DF6NM)

https://dl.dropbox.com/u/26404526/df6nm_MF.jpg

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