Universal Licensing System
WQNI418
COOK COUNTY SHERIFF'S POLICE
License details
| ULS identifier | 3264872 |
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| Call sign | WQNI418 |
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| Radio service | SG |
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| Status | A |
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| Grant date | 2020-12-31 |
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| Expiration | 2031-02-14 |
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| Frequency range | 769.5125 - 804.9125 MHz (6 frequencies) |
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| Locations | 8 |
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| Representative location | DES PLAINES, COOK, IL |
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| Coordinates | 42.0438056, -87.8729444 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:13:59 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 769.51250000 | | | 50.000000 | 46.600000 | |
| 2 | 1 | FB2 | 773.13750000 | | | 50.000000 | 47.000000 | |
| 3 | 1 | FB2 | 773.13750000 | | | 12.500000 | 38.600000 | |
| 4 | 1 | FB2 | 774.91250000 | | | 50.000000 | 47.000000 | |
| 5 | 1 | MO | 799.51250000 | | | 10.000000 | 3.100000 | |
| 6 | 1 | MO | 803.13750000 | | | 10.000000 | 3.100000 | |
| 7 | 1 | MO | 803.13750000 | | | 10.000000 | 3.100000 | |
| 8 | 1 | MO | 804.91250000 | | | 10.000000 | 3.100000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 769.51250000 | | 17K7D7D |
| 2 | 1 | 773.13750000 | | 17K7D7D |
| 3 | 1 | 773.13750000 | | 17K7D7D |
| 4 | 1 | 774.91250000 | | 17K7D7D |
| 5 | 1 | 799.51250000 | | 17K7D7D |
| 6 | 1 | 803.13750000 | | 17K7D7D |
| 7 | 1 | 803.13750000 | | 17K7D7D |
| 8 | 1 | 804.91250000 | | 17K7D7D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 2101 Ballard Road, DES PLAINES, COOK, IL | 42.04380556, -87.87294444 | 191.100 m | TOWER | 54.800 m structure / 60.900 m overall | |
| 2 | T | 3110 West Golf Road, ELGIN, COOK, IL | 42.04747222, -88.16438889 | 245.100 m | TOWER | 72.700 m structure / 79.200 m overall | |
| 3 | T | 1154 RIDGE RD, HOMEWOOD, COOK, IL | 41.56169444, -87.64552778 | 193.800 m | TOWER | 91.000 m structure / 97.500 m overall | |
| 4 | T | 12201 West McCarthy Road, PALOS PARK, COOK, IL | 41.66505556, -87.90897222 | 219.700 m | TOWER | 72.700 m structure / 79.200 m overall | |
| 5 | T | COOK, IL | | | | | |
| 6 | T | COOK, IL | | | | | |
| 7 | T | COOK, IL | | | | | |
| 8 | T | COOK, IL | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 42.600 m | V | 6.5000 | | 34.500 | |
| 1 | 2 | T | | 61.500 m | V | 7.5000 | 45.0000 | 66.900 | |
| 1 | 3 | T | | 45.700 m | V | 4.6000 | | 44.400 | |
| 1 | 4 | T | | 60.900 m | V | 7.5000 | 90.0000 | 75.400 | |
| 1 | 5 | T | | | | | | | |
| 1 | 6 | T | | | | | | | |
| 1 | 7 | T | | | | | | | |
| 1 | 8 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1401 SOUTH MAYBROOK DRIVE RM 101, Maywood, IL | COOK | 7088654808 |
| 2 | 9511 WEST HARRISON, Des Plaines, IL | COOK | 8473944733 |
| 3 | 2650 SOUTH CALIFORNIA, Chicago, IL | COOK | 7088654808 |
License history
| Date | File or call sign | Action |
|---|
| 2021-04-20 | WQNI418 | LIAUA |
| 2020-12-31 | WQNI418 | LIREN |
| 2020-12-16 | WQNI418 | ESURNW |
| 2020-11-23 | WQNI418 | LETRES |
| 2020-11-16 | WQNI418 | ESURNW |
| 2013-09-04 | WQNI418 | LETCNS |
| 2011-02-14 | WQNI418 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 3264872 | 2026-08-02 01:13:59 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WQNI418 | ULS 3264872 | 2026-08-02 01:13:59 |
| Status | A | ULS 3264872 | 2026-08-02 01:13:59 |
| Service | SG | ULS 3264872 | 2026-08-02 01:13:59 |
| Grant Date | 2020-12-31 | ULS 3264872 | 2026-08-02 01:13:59 |
| Expiration Date | 2031-02-14 | ULS 3264872 | 2026-08-02 01:13:59 |