[Elecraft] LCD TV Causing RFI

Brian - N5BCN n5bcn at yahoo.com
Sun Jan 30 00:40:37 EST 2011


Hi,

I have a Samsung 46" LCD TV that is causing RFI on the 20m PSK calling freq
(14.070).

My station setup is a K2 powered by an Alinco DM-330 switcher.  The
interference shows up in the waterfall display; it's about 1000 Hz wide
right on 14.070 (the coincidence is weird), doesn't move, and doesn't show
up anywhere else that I've found thus far.  It's not overwhelming; I can
still decode signals through it.  It vanishes as soon as the TV is turned
off.

The offending TV is not close to the shack: TV is on the first floor, shack
on the second floor (on the opposite side of the house), antenna in the
attic.

The TV is using cable with a DVR.

It's one of those things that I "can live with," but would prefer solving
the problem.  The TV was purchased in Feb 2009, so it's too old to return,
too new to replace.

As always, thanks for any suggestions.

N5BCN - Brian

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K2 #6800 KSB2 KAT2 KIO2 K160RX KNB2
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