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US > Illinois > Cook (County) [Chicago]

Cook County Illinois - Downloads and Reports


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Programming Your Scanner with the RadioReference Web Service


Pre-Defined Report Downloads


Download CSV File of All Identified Frequencies in Cook County
Download Printable Cook County Reference PDF File
Download Printable PDF File of All FCC Licenses in Cook County (Sorted by Licensee)
Download Printable PDF File of All FCC Licenses in Cook County (Sorted by Frequency)

Online Reports


All Identified Frequencies in Cook County (including individual agencies and trunked systems)
Subcategory Location Data Report

Change History


Changed Admin Date Changed
Added Subcategory: John Marshall Law Schoolkevino2018-07-14 12:09:22
Changed Subcategory Details For: Chicago School District 299kevino2018-07-14 11:27:49
Changed Subcategory Details For: Chicago School District 299kevino2018-07-14 11:19:24
TRBOconnection/TRBOnexus System Updated ((1) Talkgroups Updated (Chicago Area))kevino2018-07-14 11:10:59
Changed Subcategory Details For: Moraine Valley Community College (Palos Hills) kevino2018-07-12 13:34:29
Changed Subcategory Details For: Moraine Valley Community College (Palos Hills) kevino2018-07-12 13:30:49
Changed Subcategory Details For: Moraine Valley Community College (Palos Hills) kevino2018-07-12 13:29:38
Changed Subcategory Details For: Moraine Valley Community College (Palos Hills) kevino2018-07-12 13:28:42
Changed Subcategory Details For: Moraine Valley Community College (Palos Hills) kevino2018-07-12 13:21:21
pdvWireless System Updated ((1) Talkgroups Updated (multi-category change))kevino2018-07-12 10:50:51
TRBOconnection/TRBOnexus System Updated ((1) Talkgroups Updated (Chicago Area))kevino2018-07-11 22:32:08
pdvWireless System Updated ((1) Talkgroups Updated (Chicago Area))kevino2018-07-11 18:01:16
STARCOM21 Statewide Illinois System Updated (Updated encryption settings for 2 talkgroups(Cook County - Sheriff's Department))kevino2018-07-11 12:49:52
STARCOM21 Statewide Illinois System Updated (Added Talkgroup 25234 Operations(Cook County - Sheriff's Department))kevino2018-07-11 12:49:35
STARCOM21 Statewide Illinois System Updated (Added Talkgroup 25233 Operations(Cook County - Sheriff's Department))kevino2018-07-11 12:48:45
Northwestern University P25 (Evanston) System Updated ((1) Talkgroups Updated (All))kevino2018-07-10 18:05:36
Northwestern University P25 (Evanston) System Updated ((1) Talkgroups Updated (All))kevino2018-07-10 18:04:22
Northwestern University P25 (Evanston) System Updated (Added Talkgroup 46 Operations(All))kevino2018-07-10 18:04:11
Northwestern University P25 (Evanston) System Updated ((1) Talkgroups Updated (All))kevino2018-07-10 17:34:42
Northwestern University P25 (Evanston) System Updated ((1) Talkgroups Updated (All))kevino2018-07-10 17:32:42
Northwestern University P25 (Evanston) System Updated (Added Talkgroup 45 Operations(All))kevino2018-07-10 17:31:08
Northwestern University P25 (Evanston) System Updated (Added Talkgroup 66 Operations: Catering?(All))kevino2018-07-10 17:28:10
Northwestern University P25 (Evanston) System Updated (Updated Function Tag assignments for 6 talkgroups)kevino2018-07-10 17:25:30
Northwestern University P25 (Evanston) System Updated (Added Talkgroup 8 Operations(All))kevino2018-07-10 17:23:59
Northwestern University P25 (Evanston) System Updated ((1) Talkgroups Updated (multi-category change))kevino2018-07-10 17:22:57
Northwestern University P25 (Evanston) System Updated (Updated encryption settings for 1 talkgroups)kevino2018-07-10 17:22:01
ESP Wireless - UHF (Chicago Sears #1) System Updated (Deleted 4 talkgroup(s) (All))kevino2018-07-09 18:04:00
ESP Wireless - UHF (Chicago Sears #1) System Updated (Deleted 2 talkgroup(s) (All))kevino2018-07-09 18:03:21
ESP Wireless - UHF (Chicago Sears #1) System Updated (Deleted 2 talkgroup(s) (All))kevino2018-07-09 18:02:50
ESP Wireless - UHF (Chicago Sears #1) System Updated ((3) Talkgroups Updated (multi-category change))kevino2018-07-09 18:02:17
ESP Wireless - UHF (Chicago Sears #2) System Updated ((1) Talkgroups Updated (Businesses))kevino2018-07-09 17:57:00
ESP Wireless - UHF (Chicago Sears #2) System Updated ((2) Talkgroups Updated (Public Safety))kevino2018-07-09 17:56:11
ESP Wireless - UHF (Chicago Sears #2) System Updated (Updated Function Tag assignments for 1 talkgroups)kevino2018-07-09 17:54:56
ESP Wireless - UHF (Chicago Sears #2) System Updated (Added Talkgroup 6160 data bursts(Businesses))kevino2018-07-09 17:54:39
ESP Wireless - UHF (Chicago Sears #2) System Updated (Added Talkgroup 17228 SCR Medical Transportation(EMS Agencies / Medical Trkevino2018-07-09 17:53:05
ESP Wireless - UHF (Chicago Sears #2) System Updated (Changed Talkgroup Category assignments for 1 talkgroups(EMS Agencies / Medkevino2018-07-09 17:52:23
ESP Wireless - UHF (Chicago Sears #2) System Updated (Added Talkgroup 13238 SCR Medical Transportation(EMS Agencies / Medical Trkevino2018-07-09 17:51:04
ESP Wireless - UHF (Chicago Sears #2) System Updated (Added Talkgroup 1085 materials hauling(Businesses))kevino2018-07-09 17:50:04
ESP Wireless - UHF (Chicago Sears #2) System Updated (Added Talkgroup 10228 SCR Medical Transportation(Businesses))kevino2018-07-09 17:49:04
pdvWireless System Updated ((2) Talkgroups Updated (Chicago Area))kevino2018-07-09 17:41:03




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