Montgomery County Police ERT/SWAT Radio Channel Plan: [Radio channels are A/B selectable for Repeater/Direct.] 1 Rockville District 2 Bethesda District 3 Silver Spring District 4 Wheaton-Glenmont District 5 Germantown District 6 Tactical - South 7 Tactical - North 8 Simulcast of Channel 3 9 Rockville City Police 10 SID 11 Sheriff 12 Surveillance (Tac A) 13 Surveillance (Tac B) 14 Jail 15 PG Ch. 7 (Tac) 16 PG Ch. 8 (Tac)