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It's Official: KFWD gets license for RF 9

KHFD actually applied to boost to 15 kW using a full service mask filter. The claim is that even with the power boost, adding the mask filter drops out of band emissions by more than 10 dB.

- Trip
 
tripinva said:
KHFD actually applied to boost to 15 kW using a full service mask filter. The claim is that even with the power boost, adding the mask filter drops out of band emissions by more than 10 dB.

- Trip
Click to expand...
If the FCC is truly concerned about interference above RF 51, they'll eventually lift their freeze; possibly with a new requirement that RF 51 applications must specify such a mask. I guess we'll just have to wait and see.

KHFD could certainly use the power increase. At present its signal is clean yet very weak here. An extra 5 dB would give us a better safety margin between their signal and the "cliff."

OTOH the stricter filter may degrade their signal, as currently happens with KERA at the opposite end of the band. Hopefully KHFD's engineers took that into account and decided the power increase outweighs any degradation from a stricter mask.
 
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