Universal Licensing System
WRDU680
WESTCHESTER SCHOOL DISTRICT 92 1/2
License details
| ULS identifier | 4182610 |
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| Call sign | WRDU680 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2019-07-24 |
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| Expiration | 2029-07-24 |
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| Frequency range | 467.2125 - 467.3125 MHz (3 frequencies) |
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| Locations | 2 |
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| Representative location | WESTCHESTER, COOK, IL |
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| Coordinates | 41.8551944, -87.8942222 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:23:06 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 467.21250000 | | | 5.000000 | 5.000000 | |
| 2 | 1 | MO | 467.21250000 | | | 5.000000 | 5.000000 | |
| 3 | 1 | MO | 467.21250000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | MO | 467.28750000 | | | 5.000000 | 5.000000 | |
| 2 | 1 | MO | 467.31250000 | | | 5.000000 | 5.000000 | |
| 3 | 1 | MO | 467.31250000 | | | 5.000000 | 5.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 467.21250000 | | 11K2F3E |
| 1 | 1 | 467.21250000 | | 11K2F2D |
| 1 | 1 | 467.21250000 | | 11K2F1D |
| 2 | 1 | 467.21250000 | | 11K2F1D |
| 2 | 1 | 467.21250000 | | 11K2F2D |
| 2 | 1 | 467.21250000 | | 11K2F3E |
| 3 | 1 | 467.21250000 | | 11K2F1D |
| 3 | 1 | 467.21250000 | | 11K2F3E |
| 3 | 1 | 467.21250000 | | 11K2F2D |
| 1 | 1 | 467.28750000 | | 11K2F2D |
| 1 | 1 | 467.28750000 | | 11K2F3E |
| 1 | 1 | 467.28750000 | | 11K2F1D |
| 2 | 1 | 467.31250000 | | 11K2F2D |
| 2 | 1 | 467.31250000 | | 11K2F1D |
| 2 | 1 | 467.31250000 | | 11K2F3E |
| 3 | 1 | 467.31250000 | | 11K2F1D |
| 3 | 1 | 467.31250000 | | 11K2F3E |
| 3 | 1 | 467.31250000 | | 11K2F2D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | WESTCHESTER, COOK, IL | 41.85505556, -87.87186111 | | | | |
| 2 | T | WESTCHESTER, COOK, IL | 41.85519444, -87.89422222 | | | | N |
| 3 | T | WESTCHESTER, COOK, IL | 41.84372222, -87.88947222 | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | WESTCHESTER MIDDLE SCHOOL - 1620 NORFOLF AVENUE, WESTCHESTER, IL | COOK | 7084502700 |
| 2 | WESTCHESTER INTERMEDIATE SCHOOL - 10900 CANTERBURY ST., WESTCHESTER, IL | COOK | 7084502700 |
| 3 | WESTCHESTER PRIMARY SCHOOL - 2400 DOWNING ST, WESTCHESTER, IL | COOK | 7084502700 |
License history
| Date | File or call sign | Action |
|---|
| 2020-08-26 | WRDU680 | LIMOD |
| 2019-07-24 | WRDU680 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4182610 | 2026-08-02 01:23:06 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDU680 | ULS 4182610 | 2026-08-02 01:23:06 |
| Status | A | ULS 4182610 | 2026-08-02 01:23:06 |
| Service | IG | ULS 4182610 | 2026-08-02 01:23:06 |
| Grant Date | 2019-07-24 | ULS 4182610 | 2026-08-02 01:23:06 |
| Expiration Date | 2029-07-24 | ULS 4182610 | 2026-08-02 01:23:06 |