Nope - 1,100kHz, according to the maintenance manual. 73, Mike KC4TOS On 12/29/2016 9:11 PM, Phillip Carpenter wrote: > I'm trying to confirm the IF frequency for the APN-9. The APN-4 IF is 1050kHz, is the IF in the APN-9 the same? > > Thank you in advance to all who reply!