Check that you haven't made the same mistake that I made when I first connected up the P3. Putting the BNC cable from the K3 into the top BNC socket (labelled "IF Out") will give you the very low levels you are seeing on the waterfall. Crosstalk or breakthrough? Check that it is in the lower socket which is appropriately labelled "IF In". Just a thought. 73 Norman - GM4KGK
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