[Scan-DC] MCPD encryption

[edtobias at comcast.net]

This seems to be a work in progress.

Sometimes I hear the dispatch side encrypted on a TG and sometimes it's the mobile. Sometimes neither is encrypted and I think I've heard some TGs where both sides are. I've heard this combination on all of the standard TGs over the past couple of weeks.

This evening, I heard a unit ask to be held out of service to have his radio updated. I'm guessing that means encrypted. I also heard the dispatcher on A5 (which I was locked on) asking two units for their welfare. They appeared to respond but I heard no sound from them at all. Then, a few minutes later and still on A5, I heard the dispatcher in the clear and the unit that responded were garbled.

Go figure.

Ed, KR3E

-----Original Message-----
From: scan-dc-bounces at mailman.qth.net <scan-dc-bounces at mailman.qth.net> On Behalf Of Jeff Krauss
Sent: Monday, June 16, 2025 9:15 PM
To: Robert H. Eisner <rheisner at yahoo.com>; Scan DC <scan-dc at mailman.qth.net>; Alan Henney <alan at henney.com>
Subject: [Scan-DC] MCPD encryption

I believe I am hearing some encrypted
transmissions from some MCPD mobile units.
It sounds like garbled noise, as distinguished from the talk groups indicated as secure like A15 which produce no audio output at all on my radio.


At 07:14 PM 06/03/2025, Robert H. Eisner via Scan-DC wrote:
>  A number of the Dispatch Consoles are now encrypted as of this 
> afternoon. The Dispatchers for A3, A4 and A6 are now encrypted.   
> However, all of the mobile units are still in
> the clear.     On Friday, April 4, 2025 at 
> 10:58:09 PM EDT, Alan Henney <alan at henney.com>
> wrote:  Plans to encrypt MoCo police radio channels ‘leaked,’ 
> official says Decision makers still considering ways to balance 
> transparency, privacy

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