In article
,
David wrote:

I connected it to my SB-301 receiver by tapping the secondary of
its last intermediate frequency (IF) transformer (T4 in the 301's
schematic) using a 1pf capacitor

Dave-

What do you mean by "tapping"? If you did not connect the 1pf capacitor
to the top of the coil, then that may be causing your reduced signal.

Fred
K4DII