[R-390] Image problem solved - Not.

Barry n4buq at knology.net
Fri Oct 26 14:19:00 EDT 2007


>So.... This Collins 390a (with Collins RF deck) is hopping with images from
>AM broadcasters, I just never bothered to notice them before.  But
>apparently not the Stewart Warner.  When I get the chance, I am going to
>connect the SW to the outdoor antenna for another comparison.  It is unknown
>what the differences between the two RF decks could be, however I have
>noticed that the Collins does tend to be a much "hotter" receiver than the
>SW, good AGC action... but tending to pop up the noise floor when no signals
>are present.  Maybe too hot.
>
>Jim M.

Jim,

This may not have anything to do with it, but do you know if both IF decks are stagger-tuned?

Barry - N4BUQ


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