Universal Licensing System
WPRT922
J STERLING MORTON HIGH SCHOOL
License details
| ULS identifier | 1941350 |
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| Call sign | WPRT922 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2016-01-27 |
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| Expiration | 2026-01-26 |
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| Cancellation | 2026-03-28 |
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| Frequency range | 452.325 - 457.325 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | BERWYN, COOK, IL |
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| Coordinates | 41.8463333, -87.7997778 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:26:07 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 452.32500000 | | | 25.000000 | 25.000000 | |
| 2 | 1 | MO | 452.32500000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | FB2 | 452.32500000 | | | 40.000000 | 30.000000 | |
| 2 | 1 | MO | 457.32500000 | | | 4.000000 | 4.000000 | |
| 4 | 1 | FX1 | 457.32500000 | | | 25.000000 | 25.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 452.32500000 | | 11K2F3E |
| 2 | 1 | 452.32500000 | | 11K2F3E |
| 3 | 1 | 452.32500000 | | 11K2F3E |
| 2 | 1 | 457.32500000 | | 11K2F3E |
| 4 | 1 | 457.32500000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 2423 S AUSTIN BLVD, CICERO, COOK, IL | 41.84947222, -87.75005556 | 183.000 m | B | 14.000 m structure / 14.000 m overall | |
| 2 | T | | | | | | N |
| 3 | T | 2400 S. HOME AVE., BERWYN, COOK, IL | 41.84633333, -87.79977778 | 189.000 m | BANT | 15.000 m structure / 17.000 m overall | N |
| 4 | T | IL | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 14.000 m | | | | 12.000 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | 15.000 m | | | | 12.700 | |
| 1 | 4 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 2 | 2423 SOUTH AUSTIN BLVD, CICERO, IL | COOK | 7082225700 |
License history
| Date | File or call sign | Action |
|---|
| 2026-03-28 | WPRT922 | LIEXP |
| 2025-11-24 | WPRT922 | LETRES |
| 2016-01-27 | WPRT922 | LIMOD |
| 2016-01-27 | WPRT922 | LIREN |
| 2016-01-16 | WPRT922 | ESURNW |
| 2015-12-27 | WPRT922 | ESURNW |
| 2015-11-27 | WPRT922 | ESURNW |
| 2015-11-02 | WPRT922 | LETRES |
| 2015-10-28 | WPRT922 | ESURNW |
| 2013-03-01 | WPRT922 | LIMOD |
| 2005-11-17 | WPRT922 | LIREN |
| 2005-11-16 | WPRT922 | ESCAPR |
| 2005-10-31 | WPRT922 | LETRES |
| 2005-08-03 | WPRT922 | LTSFRN |
| 2001-10-01 | WPRT922 | AUDOPR |
| 2001-01-26 | WPRT922 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1941350 | 2026-08-02 01:26:07 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPRT922 | ULS 1941350 | 2026-08-02 01:26:07 |
| Status | E | ULS 1941350 | 2026-08-02 01:26:07 |
| Service | IG | ULS 1941350 | 2026-08-02 01:26:07 |
| Grant Date | 2016-01-27 | ULS 1941350 | 2026-08-02 01:26:07 |
| Expiration Date | 2026-01-26 | ULS 1941350 | 2026-08-02 01:26:07 |
| Cancellation Date | 2026-03-28 | ULS 1941350 | 2026-08-02 01:26:07 |