Loudoun County P25: TGID 4000?

[ur20v]

Running a discovery session out of sheer curiosity this morning and I've encountered what seems to be an encrypted talk group - 4000. Can't find anything about it on the db page.

 

[ur20v]

Never mind, found more info when I used teh non-integrated googles...

https://forums.radioreference.com/v...-forum/337954-mystery-loudoun-talk-group.html