Has anyone ever tried using the INRAD #755 (2.8kHz filter for 6MHz IF) in a Paragon or Paragon II? The INRAD website lists the other Ten Tec rigs that use the 6 MHZ IF crystal filters, but not the Paragons. I would expect it would work since the IF's are the same. Gary, W1PG genorman at ix.netcom.com