[1000mp] 80 BC Interference on Mark-V

[Ed Van Cleave]

John,

For what it's worth, my Mark V SN 1D2XXXXX is in between two 50KW BC
stations and nary a peep on 80M or 160M.

Ed, W0VC

----- Original Message -----
From: <kk9a@arrl.net>
To: <1000mp@mailman.qth.net>
Sent: Tuesday, January 22, 2002 6:48 PM
Subject: [1000mp] 80 BC Interference on Mark-V


> I recently purchased two Yaesu FT1000MP Mark-V's and got rid of my old
> 1000MP.  Since this radio change I've noticed a lot of interference on 80m
> from several AM broadcast stations. I don't remember having this problem
> with the old radio, but I'm normally not on the band that much so I can't
be
> sure. I can hear several different AM stations tuning 3-4 MHz. My 80m
> antenna is a 90+' rotatable dipole @ 160', however I can also hear the BC
> interference with my 40m F.S. beam at the same height and to a lesser
degree
> on my other high band monobanders.    I found that the VRF preselect
(thanks
> for the suggestion WX0B) helped minimize the problem but I question if
> something is wrong with the receiver or it's design. I also put inline a
> Dunestar 80m bandpass filter which helped a little.  I don't know if the
> W3NQN Broadcast filter will offer additional help.  The local broadcast
> stations are 60dB over S9 when I listen on THEIR frequency with the
dipole.
> On 80m the interference peaks at S9.  My two Mark-V's were purchased from
> different dealers at different times and both have the same  problem.  Has
> anyone else noticed this or have any suggestions?  BTW, I tried
transmitting
> into my antenna with a KW to clean up any possible bad connections.
>
> 73,
> John
>
>
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