Frequencies
Illinois State Toll Highway Authority (ISTHA)
Mutual Aid
New License Application for conventional UHF Frequencies (located at all sites:)
-- PLAZA 20 BUCKLEY RD -- LIBERTYVILLE, IL LAKE County
--1.3 MI N OF RT 64 ON I355 -- ADDISON, IL DUPAGE County
--3900 FT. S OF US RTE. 6 ON I294 -- MARKHAM, IL COOK County
--INT. OF I-294 AND 55TH. ST. --- WESTERN SPRINGS, IL COOK County
| Frequency | License | Type | Tone | Alpha Tag | Description | Mode | Tag |
|---|---|---|---|---|---|---|---|
| 453.2125 | WQJE848 | RM | ITHA M/A U1 | Mutual Aid / Interoperability | FMN | Interop | |
| 453.4625 | WQJE848 | RM | ITHA M/A U2 | Mutual Aid / Interoperability | FMN | Interop | |
| 453.7125 | WQJE848 | RM | ITHA M/A U3 | Mutual Aid / Interoperability | FMN | Interop | |
| 453.8625 | WQJE848 | RM | ITHA M/A U4 | Mutual Aid / Interoperability | FMN | Interop |
Patrol
| STARCOM21 Statewide Illinois Project 25 Phase II | Main Communications system |
| Frequency | License | Type | Tone | Alpha Tag | Description | Mode | Tag |
|---|---|---|---|---|---|---|---|
| 854.9875 | KQM631 | RM | 043 DPL | F-1 | North: Belvidere, Park Ridge, Gurnee (Boone County) {input DCS 114} | FM | Law Tac |
| 855.2375 | RM | 043 DPL | F-2 | North: Elgin, Deerfield, South Beloit {input DCS 043} | FM | Law Tac | |
| 855.4875 | RM | 165 DPL | F-3 | South: Rochelle, Alsip, Naperville {input DCS 174} | FM | Law Tac | |
| 855.7375 | RM | 165 DPL | F-4 | South: DeKalb, Dixon, Markham, Westchester {input DCS 174} | FM | Law Tac | |
| 855.9625 | KQM631 | RM | 043 DPL | F-5 | North: Arlington Heights (along I-90) {input DCS 114} | FM | Law Tac |
| 855.9625 | KQM631 | RM | 245 DPL | F-6 | unknown area {input DCS 306} | FM | Law Tac |
| 855.9625 | KQM631 | RM | 263 DPL | F-7 | South: Lisle {input DCS 331} | FM | Law Tac |
| 855.9625 | KQM631 | M | 251 DPL | F-8 | Car-to-Car | FM | Law Tac |
| 866.1625 | KQM631 | RM | 023 DPL | F-9 | North: Lisle {input same} | FM | Law Tac |
| 866.1625 | WPXD331 | RM | 023 DPL | DownersGrove | Downers Grove (Wide Area range) | FM | Law Tac |
| 866.1625 | WQBU735 | RM | 023 DPL | Lisle Patrol | Lisle (???) | FM | Law Tac |
Maintenance
WPHW989 903.000 Canceled
WPCK522 TOLL ROAD INDENTIFICATION OF VEHICLES USING RADIO UNDER 90.353H NON-MULTILATERATION.
*915.72 LRT 570-4wt
| Frequency | License | Type | Tone | Alpha Tag | Description | Mode | Tag |
|---|---|---|---|---|---|---|---|
| 855.9875 | WQBB432 | RM | 364 DPL | ITHA F1 | North: Belvidere, Gurnee, Park Ridge (@ Belvidere, Boone Co) {input DCS 412} | FM | Public Works |
| 856.2375 | KSG358 | RM | 364 DPL | ITHA F2 | North: Deerfield, Elgin, South Beloit {input DCS 412} | FM | Public Works |
| 811.4875 | KSN40 | F | 412 DPL | ITHA (F2) | fixed input base to F-3 | FM | Public Works |
| 856.4875 | KUO990 | RM | 423 DPL | ITHA F3 | South: Alsip, Naperville, Rochelle {input DCS 465} | FM | Public Works |
| 856.7375 | KUO988 | RM | 423 DPL | ITHA F4 | South: DeKalb, Dixon, Markham, Westchester {input DCS 465} | FM | Public Works |
| 856.9875 | WPSR815 | RM | 364 DPL | ITHA F5 | North: Alington Heights {input DCS 412} | FM | Public Works |
| 856.9875 | WPSR815 | RM | 532 DPL | ITHA F6 | unknown location {input DCS 624} | FM | Public Works |
| 856.9875 | WPSR815 | RM | 662 DPL | ITHA F7 | South: Lisle {input DCS 703} | FM | Public Works |
| 856.9875 | WPSR815 | M | 723 DPL | ITHA F8 U2U | Unit-to-Unit [F-8] | FM | Public Works |
| 868.5125 | WPXD331 | RM | 023 DPL | ITHA DGrove | Downers Grove | FM | Public Works |
| 868.5125 | WQBU735 | RM | 023 DPL | ITHA Lisle | Lisle | FM | Public Works |
| 914.900 | F | ITHA I-PASS | I-PASS Transponder Data (Chicago) | Telm | Data |