I did some more playing with the 219 9mhz filter last night.
I have tried it in both of the n1 and n2 positions. N2 has the inrad roofing
filter in it also. No difference in either position. I get about a 10 db
loss which is what T T says is the loss in that filter.
This is regardless of how I play with any other functions, PBT,NR, etc.
This is for weak signal DX on 80&160m. Other bands dont need it. I am just
trying to lower the QRN to sig ratio.
Thanks for all of the replies and suggestions. I guess it is back to the
500hz filters.
73 Paul K9OT
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