Universal Licensing System
WPTC421
UNION PACIFIC RAILROAD COMPANY
License details
| ULS identifier | 2347071 |
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| Call sign | WPTC421 |
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| Radio service | MG |
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| Status | A |
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| Grant date | 2021-07-16 |
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| Expiration | 2031-08-28 |
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| Frequency range | 932.41875 - 941.41875 MHz (2 frequencies) |
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| Locations | 1 |
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| Representative location | GOLDEN, JEFFERSON, CO |
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| Coordinates | 39.7299722, -105.2346944 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:45:17 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 3 | FXO | 932.41875000 | | | | | |
| 1 | 1 | FXO | 941.41875000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 3 | 932.41875000 | | 12K5F3D |
| 1 | 1 | 941.41875000 | | 12K5F3D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | LOOKOUT MTN, GOLDEN, JEFFERSON, CO | 39.72997222, -105.23469444 | 2226.600 m | TOWER | 19.800 m structure / 19.800 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | SINCLAIR SRL-480 | | V | 12.2000 | 360.0000 | | |
| 2 | 1 | R | SCALA ELECTRONIC RY-900 | | | 12.2000 | | | |
| 3 | 1 | T | SCALA ELECTRONICS RY-900 | | V | 12.2000 | 999.0000 | | |
| 4 | 1 | R | SINCLAIR SRL-480 | | | 12.2000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2023-10-12 | WPTC421 | LIAUA |
| 2021-07-16 | WPTC421 | LIREN |
| 2021-06-07 | WPTC421 | LETRES |
| 2011-07-30 | WPTC421 | AUTHPR |
| 2011-07-29 | WPTC421 | LIREN |
| 2011-07-29 | WPTC421 | COR |
| 2011-07-29 | WPTC421 | INTDUP |
| 2011-07-28 | WPTC421 | ESUAPR |
| 2011-06-06 | WPTC421 | LETRES |
| 2004-12-18 | WPTC421 | LIAUA |
| 2004-12-17 | WPTC421 | ESUAPR |
| 2002-11-25 | WPTC421 | LETCNS |
| 2001-08-28 | WPTC421 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2347071 | 2026-08-02 02:45:17 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPTC421 | ULS 2347071 | 2026-08-02 02:45:17 |
| Status | A | ULS 2347071 | 2026-08-02 02:45:17 |
| Service | MG | ULS 2347071 | 2026-08-02 02:45:17 |
| Grant Date | 2021-07-16 | ULS 2347071 | 2026-08-02 02:45:17 |
| Expiration Date | 2031-08-28 | ULS 2347071 | 2026-08-02 02:45:17 |