I was having trouble listening to this system. I found that the control channel is currently: 385.950 MHz which currently isn't listed as a control channel in the database.
https://www.radioreference.com/apps/db/?sid=4699
(posted in wrong forum, should have been just in Maryland)
https://www.radioreference.com/apps/db/?sid=4699
(posted in wrong forum, should have been just in Maryland)