[Scan-DC] 87.9 MHz

[fourwd1 at netzero.net]

Umm, Bluetooth operates in the 2.4 GHz ISM band, and uses GFSK digital mode. 

---------- Original Message ----------
From: "Robert H. Eisner via Scan-DC" <scan-dc at mailman.qth.net>
To: "scan-dc at mailman.qth.net" <scan-dc at mailman.qth.net>,  Alan Henney <alan at henney.com>
Subject: Re: [Scan-DC] 87.9 MHz
Date: Tue, 27 Sep 2022 10:48:28 +0000 (UTC)

 Most car radios can tune to that frequency.

There are a number of Handsfree Bluetooth Headsets using that frequency.   It also used at large events like NASCAR races (race announcer) and Air Shows.   In fact, the Ocean City Air Show announcers can be heard on this frequency.

If you're in heavy traffic you'll be surprised at the number of cell phone calls you'll come across on that FM radio frequency.      On Tuesday, September 27, 2022 at 01:38:09 AM EDT, Alan Henney <alan at henney.com> wrote:  
 
 Last Sunday, I received a close-call hit on 87.9 MHz while passing the
University of Maryland College Park campus.  This is just below the FM
broadcast band (TV channel 6).  It sounded like an open mic but nothing was
being broadcast at the time.

Does anybody know what the backstory is with this frequency?


https://en.wikipedia.org/wiki/87.9_FM

https://en.wikipedia.org/wiki/Channel_6_radio_stations_in_the_United_States

https://www.tvtechnology.com/news/next-generation-franken-fms-on-the-rise
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