Illinois State Police - District 7 "Rock Island State Police"
Low band Radios
x Base transmit Mobile transmit tone use
LF1 42.340 42.840 141.3m District Dispatch
LF2 42.500 42.500 x Statewide
LF3 42.660 42.660 141.3m District alternate
High band Radios
x Base transmit mobile transmit tone use
HF1 155.475 155.475 x ISPERN
HF2 154.845 154.845 110.9m District Dispatch
HF3 x 155.055 x IREACH
HF4 155.460 155.460 x Statewide
HF5 x 155.505 x extender
HF6 x 155.505 x Handheld
HF7-? local agencies x x x
x 155.370 x x Base only intersystem

District Seven covers only four counties in Northwestern Illinois. Bureau and Putnam counties were transfered to District 17 in the mid 1980's
District Seven is also known as Rock Island State Police. However the headquarters were moved to the grounds of the old East Moline State Hospital in the early 1980s.The original Headquarters was on the grounds of the Black Hawk State Park in Rock Island.

Note:
the interchange of I-74 and I-80 in Henry County is known as "the Big X".

Note:
The patrol areas below are as assigned in the past. There may be changes in the Galesburg area and the Quad-Cities metro area. Listen to Shift announcements generally heard at about 0700, 0800, 1600, 1700 & 2200.

1 I80 & I88 Northern Rock Island County
2 I74 & I280 Central Rock Island County
3 I80 Henry County
5 I74 Henry County
6 I80 Knox County
A North Northern Rock Island County above I74
A South Southern Rock Island County below I74
B Mercer County
C Henry County
D Knox County
Page revised March 11, 2001
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