Universal Licensing System
WRFF434
UNION PACIFIC RAILROAD COMPANY
License details
| ULS identifier | 4252519 |
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| Call sign | WRFF434 |
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| Radio service | MG |
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| Status | A |
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| Grant date | 2020-02-19 |
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| Expiration | 2030-02-19 |
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| Frequency range | 932.6375 MHz |
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| Locations | 1 |
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| Coordinates | 41.4779167, -88.1148611 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:45:18 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 932.63750000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 932.63750000 | | 25K0F3D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | S CHICAGO ST, JOLIET, WILL, IL | 41.50663889, -88.08147222 | 169.300 m | MTOWER | 18.300 m structure / 18.300 m overall | |
| 2 | R | | 41.47791667, -88.11486111 | 189.900 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Kathrein Inc., Scala Divi PR-900 (V) | | V | 18.0000 | 221.2000 | | |
| 1 | 2 | R | Kathrein Inc., Scala Divi PR-900 (V) | | | 18.0000 | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1400 DOUGLAS ST. STOP 0650, OMAHA, NE | DOUGLAS | 4025441777 |
License history
| Date | File or call sign | Action |
|---|
| 2023-10-12 | WRFF434 | LIAUA |
| 2021-05-18 | WRFF434 | LETCNS |
| 2020-02-19 | WRFF434 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4252519 | 2026-08-02 02:45:18 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRFF434 | ULS 4252519 | 2026-08-02 02:45:18 |
| Status | A | ULS 4252519 | 2026-08-02 02:45:18 |
| Service | MG | ULS 4252519 | 2026-08-02 02:45:18 |
| Grant Date | 2020-02-19 | ULS 4252519 | 2026-08-02 02:45:18 |
| Expiration Date | 2030-02-19 | ULS 4252519 | 2026-08-02 02:45:18 |