What could it be???

[Randmaster]

I think I may need a digital scanner for these, but I'm itching to know what they are. Has anyone in Tuscaloosa or around there heard anything on the frequencies 152.48, 453.075, and others that make a horrible "beeping and humming" on a non-digital scanner? 453.075 doesn't exactly "beep and hum", it just sounds like someone keeps turning their radio on and off... constantly.

 

[wwhitby]

Iheard anything on the frequencies 152.48, 453.075, and others that make a horrible "beeping and humming" on a non-digital scanner?

152.48 is licensed to paging companies, so you're hearing pagers. 453.075 is licensed to the City of Tuscaloosa in both narrowband and wideband, callsign KNBW361.

Warren

 

[CSL126]

KNBW361 is the callsign for the Tuscaloosa Fire Department. I'm not sure exactly what this frequency is for.

I'm listening to 152.480 right now and it does sound like pagers, just like whitby said. I think it's actually called POCSAG and it can be decoded if you have a scanner with a discrimiator tap. I could be totally wrong though, I just thought I remembered reading that somewhere...

 

[RevGary]

Isn't the UHF frequency the data channel for the Fire Department mobile data PC's in the trucks?

 

[kingpin]

KNBW361 is the callsign for the Tuscaloosa Fire Department. I'm not sure exactly what this frequency is for.

I'm listening to 152.480 right now and it does sound like pagers, just like whitby said. I think it's actually called POCSAG and it can be decoded if you have a scanner with a discrimiator tap. I could be totally wrong though, I just thought I remembered reading that somewhere...

It is pocsag 1200 / 2400 baud paging. You don't have to have a discriminator tap to decode pocsag although it does help but that's a discussion best made via PM.

 

[Randmaster]

Ah hah... so that's what they are. Well... that answers my questions... thanks, guys!!