Universal Licensing System
WDU557
Sierra Communications Southwest, Inc.
License details
| ULS identifier | 1944004 |
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| Call sign | WDU557 |
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| Radio service | CF |
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| Status | C |
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| Grant date | 2001-03-27 |
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| Expiration | 2011-02-01 |
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| Cancellation | 2009-06-25 |
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| Frequency range | 2178 MHz |
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| Locations | 2 |
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| Representative location | Silver City, GRANT, NM |
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| Coordinates | 32.7720000, -108.2761389 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:47:29 |
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Licensee
| Name | Sierra Communications Southwest, Inc. |
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| Applicant type | C |
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| Location | Silver City, NM |
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| Address | 408 North Bullard Street, Silver City, NM, 88061 |
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| Phone | 5055382011 |
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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 | FXO | 2178.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
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| 1 | 1 | 2178.00000000 | | 800KF9W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | 408 N Bullard St., Silver City, GRANT, NM | 32.77200000, -108.27613889 | 1792.500 m | | 3.700 m structure / 4.600 m overall | |
| 2 | R | | 32.90950000, -108.16225000 | 2750.800 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Andrew P4F-21 | | H | 25.8000 | 34.8000 | | |
| 1 | 2 | R | Andrew P4F-21 | | | | | | |
License history
| Date | File or call sign | Action |
|---|
| 2009-06-26 | WDU557 | LICAN |
| 2003-09-09 | WDU557 | LIAUA |
| 2001-03-27 | WDU557 | LIREN |
| 2001-02-14 | WDU557 | AUTHPR |
| 2001-02-13 | WDU557 | AUTHPR |
| 2001-02-13 | WDU557 | INTDUP |
| 2001-02-13 | WDU557 | COR |
| 2001-02-12 | WDU557 | CORADD |
| 2001-02-12 | WDU557 | COR |
| 2001-02-12 | WDU557 | INTDUP |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1944004 | 2026-08-02 02:47:29 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WDU557 | ULS 1944004 | 2026-08-02 02:47:29 |
| Status | C | ULS 1944004 | 2026-08-02 02:47:29 |
| Service | CF | ULS 1944004 | 2026-08-02 02:47:29 |
| Grant Date | 2001-03-27 | ULS 1944004 | 2026-08-02 02:47:29 |
| Expiration Date | 2011-02-01 | ULS 1944004 | 2026-08-02 02:47:29 |
| Cancellation Date | 2009-06-25 | ULS 1944004 | 2026-08-02 02:47:29 |