Universal Licensing System
WRFW403
550 W JACKSON OWNER LLC
License details
| ULS identifier | 4279442 |
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| Call sign | WRFW403 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2020-05-15 |
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| Expiration | 2030-05-15 |
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| Frequency range | 462.375 - 467.375 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | CHICAGO, COOK, IL |
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| Coordinates | 41.8781389, -87.6417500 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:23:50 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 462.37500000 | | | 50.000000 | 40.000000 | |
| 2 | 1 | MO | 462.37500000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 467.37500000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 462.37500000 | | 7K60FXE |
| 1 | 1 | 462.37500000 | | 11K2F3E |
| 2 | 1 | 462.37500000 | | 7K60FXE |
| 2 | 1 | 462.37500000 | | 11K2F3E |
| 2 | 1 | 467.37500000 | | 11K2F3E |
| 2 | 1 | 467.37500000 | | 7K60FXE |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 550 WEST JACKSON, CHICAGO, COOK, IL | 41.87813889, -87.64175000 | 181.000 m | B | 32.900 m structure / 32.900 m overall | |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 32.900 m | | | | 34.000 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 550 WEST JACKSON, CHICAGO, IL | COOK | 3127150550 |
License history
| Date | File or call sign | Action |
|---|
| 2020-05-15 | WRFW403 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 4279442 | 2026-08-02 01:23:50 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRFW403 | ULS 4279442 | 2026-08-02 01:23:50 |
| Status | A | ULS 4279442 | 2026-08-02 01:23:50 |
| Service | IG | ULS 4279442 | 2026-08-02 01:23:50 |
| Grant Date | 2020-05-15 | ULS 4279442 | 2026-08-02 01:23:50 |
| Expiration Date | 2030-05-15 | ULS 4279442 | 2026-08-02 01:23:50 |