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690 Pirate?

G

gr8oldies

I just found a remote SDR in Pittsburgh (pretty good on reception) and caught a station playing a wide and disjointed playlist on 690, not listed anywhere. It IDed as "AM 690, Underground Radio". Local quality signal at the receiver site. What's up with that?
 
I am just getting static on 690 kHz in the Oakland neighborhood of Pittsburgh. From digging a little online, the only record of "AM 690, Underground Radio" is on a cached page of a website that is not currently or no longer active: Affiliate Stations - Radio Survivor

It is under the part 15 header:
Screenshot_20220814-135740-920.png

The highlighted link opens a web player page that seems to no longer be operational.

Perhaps the individual or group hosting the SDR you accessed also has their own part 15 station. Do you have any indication of where abouts this remote SDR is located?
 
NewtonSecond said:
I am just getting static on 690 kHz in the Oakland neighborhood of Pittsburgh. From digging a little online, the only record of "AM 690, Underground Radio" is on a cached page of a website that is not currently or no longer active: Affiliate Stations - Radio Survivor

It is under the part 15 header:
View attachment 3397

The highlighted link opens a web player page that seems to no longer be operational.

Perhaps the individual or group hosting the SDR you accessed also has their own part 15 station. Do you have any indication of where abouts this remote SDR is located?
Click to expand...
The grid square its located in centered around Westwood. The SDR could be run by whoever runs the station. Otherwise, if its a Part 15 it's got to be close to that receiver. Maybe that's their streaming setup.
 
Out of curiosity, I drove around and found it! It was definitely playing polka within the past 45 minutes.

I think I even identified the house it is coming from. Not going to identify an address here of course. The station seems to have an effective range of about 0.2 miles, so not a whole lot, but potentially exceeding FCC part 15 limits, where the effective range should theoretically be about 200 feet.
 
NewtonSecond said:
Out of curiosity, I drove around and found it! It was definitely playing polka within the past 45 minutes.

I think I even identified the house it is coming from. Not going to identify an address here of course. The station seems to have an effective range of about 0.2 miles, so not a whole lot, but potentially exceeding FCC part 15 limits, where the effective range should theoretically be about 200 feet.
Click to expand...
Very interesting! Thanks for checking that out. Since "AM 690" is on a tab on the SDR, we can pretty much conclude it's also at the transmitting location
 
The Boomer the dog station on am 690 is an honest to God old fashioned carrier current station. it's transmitted thru the power lines. Because of the way power lines are wired these days the station doesn't get out much farther than a half a mile from his house in Greentree. Back in the '60s - '80s, carrier current stations could be heard over a wide area in a city.
 
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