[Elecraft] k3 main rcvr issue

[Jim Mornar]

Hello,

I just completed assembly of my K3/100 with subrx and 2.8khz, 400hz and
250hz filters in each rcvr.  Very impressive rig.

On the main rcvr, while tuning across the 40m band, I get a "dead spot"
about every 5khz, thats about 1/2 khz wide.  I would say any signals are
attenuated at least 20 db.  The interval varies from band to band.  It seems
to do it on all bands to a varying degree.  The problem does not show up on
the sub rcvr... any thoughts?

I was going to try and remove the sub rx and see if that has any affect.

Jim N9TK