Sirens in Lake County are tested on the first Saturday of the month at 12PM CT.
Gary - 2 inactive Thunderbolts
Griffith - 2 STH-10s and a few 2001s.
Highland - Multiple 2001-DCs and a few newer gens.
Lowell - Multiple 2001s and an analog Whelen WPS 4004
Munster - 3 or 4 2001s and a Model 2