Universal Licensing System
WPML475
W WILLIAMS FIELD SERVICES
License details
| ULS identifier | 1796562 |
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| Call sign | WPML475 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2003-07-23 |
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| Expiration | 2013-09-03 |
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| Cancellation | 2013-11-09 |
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| Frequency range | 451.225 - 456.225 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | DURANGO, LA PLATA, CO |
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| Coordinates | 37.1441667, -107.7867222 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-09 03:06:58 |
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Licensee
| Name | W WILLIAMS FIELD SERVICES |
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| Applicant type | C |
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| FRN | 0009330648 |
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| Location | DURANGO, CO |
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| Address | 3746 CR 307, DURANGO, CO, 81301 |
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| Phone | 9703853831 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 1 | 1 | FB2 | 451.22500000 | | | 50.000000 | 60.000000 | |
| 2 | 1 | FB2 | 451.22500000 | | | 50.000000 | 60.000000 | |
| 3 | 1 | MO | 451.22500000 | | | 25.000000 | | |
| 3 | 1 | MO | 456.22500000 | | | 25.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.22500000 | | 20K0F3E |
| 2 | 1 | 451.22500000 | | 20K0F3E |
| 3 | 1 | 451.22500000 | | 20K0F3E |
| 3 | 1 | 456.22500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 3746 CR 307, DURANGO, LA PLATA, CO | 37.14416667, -107.78672222 | 1975.000 m | TOWER | 9.000 m structure / 9.000 m overall | N |
| 2 | T | 24 MI NE ON HWY 64, BLANCO, SAN JUAN, NM | 36.81083333, -107.49005556 | 1977.000 m | TOWER | 30.000 m structure / 30.000 m overall | N |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 18.000 m | | | | -2033.000 | |
| 1 | 2 | T | | 9.000 m | | | | 32.000 | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 3746 CR 307, DURANGO, CO | | 9703853831 |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1796562 | 2026-08-09 03:06:58 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPML475 | ULS 1796562 | 2026-08-09 03:06:58 |
| Status | E | ULS 1796562 | 2026-08-09 03:06:58 |
| Service | IG | ULS 1796562 | 2026-08-09 03:06:58 |
| Grant Date | 2003-07-23 | ULS 1796562 | 2026-08-09 03:06:58 |
| Expiration Date | 2013-09-03 | ULS 1796562 | 2026-08-09 03:06:58 |
| Cancellation Date | 2013-11-09 | ULS 1796562 | 2026-08-09 03:06:58 |