AT and T Center Talkgroups
From The RadioReference Wiki
DEC Mode Alpha Tag Description Tag 3501 A Security Security Patrols Business (Guards cover AT&T and Freeman Coliseum)
Note: more TG's will be added as they are gathered during busy events, etc. also, seems all Freeman Coliseum FCC Freq licenses show expired most likely due to all Freeman Coliseum Security and Operations functions moving over to the AT&T TRS.