Universal Licensing System
WRPJ281
CATHERINE COOK SCHOOL
License details
| ULS identifier | 4554713 |
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| Call sign | WRPJ281 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2022-02-10 |
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| Expiration | 2032-02-10 |
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| Frequency range | 456.875 - 469.35 MHz (7 frequencies) |
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| Locations | 3 |
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| Representative location | CHICAGO, COOK, IL |
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| Coordinates | 41.9080000, -87.6361111 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:23:14 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 2 | 1 | MO | 456.87500000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 457.00000000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 457.32500000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 457.40000000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 457.55000000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | FB2 | 464.35000000 | | | 50.000000 | 30.000000 | |
| 2 | 1 | MO | 464.35000000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 469.35000000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | FX1 | 469.35000000 | | | 25.000000 | 25.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 456.87500000 | | 7K60F1W |
| 2 | 1 | 457.00000000 | | 7K60F1W |
| 2 | 1 | 457.32500000 | | 7K60F1W |
| 2 | 1 | 457.40000000 | | 7K60F1W |
| 2 | 1 | 457.55000000 | | 7K60F1W |
| 1 | 1 | 464.35000000 | | 7K60F1W |
| 1 | 1 | 464.35000000 | | 11K2F2D |
| 2 | 1 | 464.35000000 | | 7K60F1W |
| 2 | 1 | 469.35000000 | | 7K60F1W |
| 3 | 1 | 469.35000000 | | 7K60F1W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 226 W SCHILLER ST, CHICAGO, COOK, IL | 41.90800000, -87.63611111 | 181.000 m | BANT | 22.800 m structure / 23.700 m overall | |
| 2 | T | COOK, IL | | | | | |
| 3 | T | COOK, IL | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 22.900 m | | | | 24.600 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 226 W SCHILLER ST, CHICAGO, IL | COOK | 3122663381 |
License history
| Date | File or call sign | Action |
|---|
| 2022-02-16 | WRPJ281 | LIAUA |
| 2022-02-10 | WRPJ281 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4554713 | 2026-08-02 01:23:14 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRPJ281 | ULS 4554713 | 2026-08-02 01:23:14 |
| Status | A | ULS 4554713 | 2026-08-02 01:23:14 |
| Service | IG | ULS 4554713 | 2026-08-02 01:23:14 |
| Grant Date | 2022-02-10 | ULS 4554713 | 2026-08-02 01:23:14 |
| Expiration Date | 2032-02-10 | ULS 4554713 | 2026-08-02 01:23:14 |