Universal Licensing System
KNNT513
COOK ILLINOIS CORPORATION DBA CHICAGO SCHOOL TRANSIT
License details
| ULS identifier | 1579820 |
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| Call sign | KNNT513 |
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| Radio service | GB |
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| Status | E |
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| Grant date | 1996-05-28 |
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| Expiration | 2001-05-28 |
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| Cancellation | 2001-07-29 |
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| Frequency range | 813.8125 - 858.8125 MHz (2 frequencies) |
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| Locations | 7 |
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| Representative location | CHICAGO, COOK, IL |
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| Coordinates | 41.8814167, -87.6300556 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:14:03 |
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Licensee
| Name | COOK ILLINOIS CORPORATION DBA CHICAGO SCHOOL TRANSIT |
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| Applicant type | C |
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| FRN | 0004828182 |
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| Location | OAK FOREST, IL |
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| Address | 4845 W 167TH ST, OAK FOREST, IL, 60452 |
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| Phone | 7083712986 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 4 | 1 | FX1 | 813.81250000 | | | 15.000000 | 30.000000 | |
| 5 | 1 | MO | 813.81250000 | | | 30.000000 | 30.000000 | |
| 6 | 1 | MO | 813.81250000 | | | 30.000000 | 30.000000 | |
| 7 | 1 | MO | 813.81250000 | | | 30.000000 | 30.000000 | |
| 1 | 1 | FB2 | 858.81250000 | | | 125.000000 | 250.000000 | |
| 2 | 1 | FB2 | 858.81250000 | | | 60.000000 | 212.000000 | |
| 3 | 1 | FB2 | 858.81250000 | | | 125.000000 | 250.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 4 | 1 | 813.81250000 | | 20K0F3E |
| 5 | 1 | 813.81250000 | | 20K0F3E |
| 6 | 1 | 813.81250000 | | 20K0F3E |
| 7 | 1 | 813.81250000 | | 20K0F3E |
| 1 | 1 | 858.81250000 | | 20K0F3E |
| 2 | 1 | 858.81250000 | | 20K0F3E |
| 3 | 1 | 858.81250000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1 FIRST NATIONAL PLAZA, CHICAGO, COOK, IL | 41.88141667, -87.63005556 | 180.000 m | B | 276.000 m structure / 276.000 m overall | N |
| 2 | T | 1/2 MI W OF RT 6 & LARKIN ST, JOLIET, WILL, IL | 41.49947222, -88.12394444 | 166.000 m | TOWER | 122.000 m structure / 122.000 m overall | N |
| 3 | T | 845 N MICHIGAN AVE, CHICAGO, COOK, IL | 41.89586111, -87.62255556 | 180.000 m | B | 266.000 m structure / 266.000 m overall | N |
| 4 | T | IL | | | | | |
| 5 | T | | | | | | |
| 6 | T | | | | | | |
| 7 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 276.000 m | | | | 274.000 | |
| 1 | 2 | T | | 122.000 m | | | | 137.000 | |
| 1 | 3 | T | | 266.000 m | | | | 264.000 | |
| 1 | 4 | T | | | | | | | |
| 1 | 5 | T | | | | | | | |
| 1 | 6 | T | | | | | | | |
| 1 | 7 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 3211 W HOWARD ST, SKOKIE, IL | | 8476779700 |
License history
| Date | File or call sign | Action |
|---|
| 2001-07-29 | KNNT513 | LIEXP |
| 2001-03-05 | KNNT513 | LETRES |
| 2000-11-22 | KNNT513 | LICCNV |
| 1998-03-31 | KNNT513 | AUTHPR |
| 1998-03-31 | KNNT513 | LIMOD |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1579820 | 2026-08-02 01:14:03 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | KNNT513 | ULS 1579820 | 2026-08-02 01:14:03 |
| Status | E | ULS 1579820 | 2026-08-02 01:14:03 |
| Service | GB | ULS 1579820 | 2026-08-02 01:14:03 |
| Grant Date | 1996-05-28 | ULS 1579820 | 2026-08-02 01:14:03 |
| Expiration Date | 2001-05-28 | ULS 1579820 | 2026-08-02 01:14:03 |
| Cancellation Date | 2001-07-29 | ULS 1579820 | 2026-08-02 01:14:03 |