Thanks everyone yesterday for your wwvb comment. I now know why the wwvb
signal droped to -120db.
Seems that over 4 years water slowly built up in the preamp housing. Water
and rust do make fine conductors.
May have effected bias just a bit and everything else.
Washed it all out and will let it dry and take a serious look at whats up.
Thanks for the quick replies.
Regards
Paul
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