N4KVE
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Around here, the FCC’s prime concern is looking for the numerous illegal Haitian FM broadcast radio stations.
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DMR Interference on GMRS
- Thread starter DeoVindice
- Start date
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Agreed--although what other viable options exist? There were times when I've asked people in the ham community to relay emergency information and--at least in my situations--they didn't want to be bothered, either.
RFI-EMI-GUY
Member
- Joined
- Dec 22, 2013
- Messages
- 6,868
That is entirely true. The FCC is protecting the commercial broadcasters revenue. The last time I looked at the enforcement bureau website (I was pissed at the many spoofed robocalls I was getting and still get) there was a map of all the pirate stations busted by the FCC EB. I tried to lodge a spoofed robocall (lack of enforcement) complaint to the head of the EB directly. Guess what, she screens her calls!
6079smithw
Member
"Nicky and Aldo's Interference Solutions At Your Service!"
- Joined
- Dec 19, 2002
- Messages
- 2,125
Most (not all) of the time, the problem is receiver overload or a combination of factors that is not just one stations cause. But to get to the heart of the matter, someone needs to look at the spectrum in the area with a spectrum analyzer (or a good SDR) and see what is happening. That is simple to do with the right equipment and experience. It does not take the FCC to do that.
Yes, isn‘t tracking down interference their (FCC) job?
mmckenna
I ♥ Ø
They don't really have the staff for it. And it can be very time consuming to do.
I had to chase down interference on one of our repeater inputs. Took quite a bit of time to do it. Lots of driving and taking bearings. Then narrowing it down, more driving, more bearings. Then lucky guess or two.
After all that, I was able to resolve the issue with the interfering system by talking with the owner like adults. Not throwing a fit, not threatening to call the FCC or law enforcement. Just explain the situation, show them the evidence, and help them fix it. Much easier that way. If I'd had to hand it off to the FCC, it's much easier if you can hand them all the details and proof. You'd be more likely to get their time to resolve it.
If the system owner starts to act like a jerk, well, then you did all you could and you hand the neatly wrapped package to the FCC and let them take over.
I can't think of anyone else...certainly no one else is better qualified...
I work a lot of interference issues ( a whole lot). Like you I've never had to involve the FCC. I've had law enforcement backup numerous times, but that was just for my safety and the fact that they were interfering with a PS system. I always tell the people I can't make them shut down whatever the source is, but if they don't and the FCC gets involved it can be huge fines (I "think" they technically aren't fines, but whatever).
gman1971
Member
- Joined
- Apr 4, 2020
- Messages
- 159
Most of my FM only radios won't even open up to DMR traffic, the signal LED might blink intermittently sometimes, but if the DMR traffic is far away, it won't even acknowledge there is a signal there... and especially true when using single slot (not Simplex double slot)
In my experience there are other things that can "machine gun" RF noises, IMD being one of the biggest culprits, especially in POS CCR superhet radios... superhets without front end filtering will hear other strong channels all over the band, and especially the very strong ones which their IM frequencies fall on your currently tuned frequency...
G.
In my experience there are other things that can "machine gun" RF noises, IMD being one of the biggest culprits, especially in POS CCR superhet radios... superhets without front end filtering will hear other strong channels all over the band, and especially the very strong ones which their IM frequencies fall on your currently tuned frequency...
G.
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