What is causing me to get FOX on my Channel 13?

Factual Questions
1

I have a CD walkman that gets AM/FM and TV Ch 2-13.

I was at my gym and it has TV and they say “tune to 107.9 to hear TV.”

So I always do. Today I noticed when I was on the TV band on Channel 13 I could hear our local FOX station. It is on UHF here.

So I figured OK it must be somehow the TVs in the gym are leaking into Channel 13, when they broadcast over FM.

But today I walked home about 3 miles. Now all throughout the walk Channel 13 would come and go. For a half mile I could clearly hear my local FOX station which is on UHF. Then it would die out, just static, then after a bit the FOX station would come back on, then as I walked on it would go out.

I checked the FCC database and there isn’t a local low power or full power station on Channel 13, so why is this happening?

Comcast is our cable company and they put the FOX staton on their Channel 12 for cable customers. Is somehow this signal leaking out of cable boxes or something?

Or could it be bars or other business doing something like the gym is doing, putting the audio on Channel 13.

2

Channel 13 audio is broadcast at 215.75 both over the air and on cable systems - quite a bit away from 107.90

However, I realized the following: Half of 215.75 is 107.875. Wonder if the station is not tuned right and is sending out a harmonic?

Someone with a little more knowledge than me will have to confirm that. I thought harmonics only traveled UP in frequency.

3

I suspect that it is a problem with your receiver, not any fault with Fox’s transmitter.

Most consumer-grade receivers are susceptible to overload and intermodulation in the presence of strong signals. This can cause stations to show up at multiple places on the dial, not just at their assigned frequency.

4

:smack: :smack: :smack: :smack: :smack:

Of course. If the problem is a receiver overload the harmonics go down in frequency, not up.

I’ve been messing with transmitters too long.

Thanks mks57.

5

Extremely bad luck.