AB5ID
Member
Something I like to do is look for unlisted TGs for MARRS by going to the link below and seeing how many TGs are being captured but are not in the RR database.
Go to the link below and sort the 24 hour list by "display".
www.broadcastify.com
Go to the link below and sort the 24 hour list by "display".

Talkgroups Seen on System: Metropolitan Area Regional Radio System (MARRS)
Broadcastify Calls System Status - Talkgroups Seen
