You will find that this is not uncommon. We had a problem at our club on 44, turned out to be a sloppy TV station with some abnormally high side lobes. People just don't use that frequency here. You might trade out your crystals, moving up or down one channel. Radical RC has a good crystal exchange program. $5 and your old crystal. So for a few bucks you can be free of the offending interference.