Universal Licensing System
WDU558
Sierra Communications Southwest, Inc.
License details
| ULS identifier | 973981 |
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| Call sign | WDU558 |
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| Radio service | CF |
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| Status | C |
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| Grant date | 2001-03-06 |
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| Expiration | 2011-02-01 |
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| Cancellation | 2010-08-27 |
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| Frequency range | 2112 MHz |
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| Locations | 2 |
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| Representative location | SILVER CITY, GRANT, NM |
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| Coordinates | 32.7720000, -108.2772500 |
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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 | 2112.00000000 | | | | | |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | 10.5 MILES NE OF, SILVER CITY, GRANT, NM | 32.77200000, -108.27725000 | 1804.400 m | | 14.000 m overall | |
| 2 | R | | 32.57922222, -108.42447222 | 2423.500 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | V | | 212.9000 | | |
| 1 | 2 | R | | | | | | | |
License history
| Date | File or call sign | Action |
|---|
| 2010-08-28 | WDU558 | LICAN |
| 2009-05-05 | WDU558 | LIMOD |
| 2009-04-17 | WDU558 | ESCAPR |
| 2001-03-06 | WDU558 | LIREN |
| 2001-01-26 | WDU558 | LIAUA |
| 2000-11-13 | WDU558 | LETRES |
| 1999-08-13 | WDU558 | LICCNV |
| 1991-11-29 | WDU558 | LIASS |
| 1991-04-25 | WDU558 | LIREN |
| 1987-09-09 | WDU558 | LIASS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 973981 | 2026-08-02 02:47:29 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WDU558 | ULS 973981 | 2026-08-02 02:47:29 |
| Status | C | ULS 973981 | 2026-08-02 02:47:29 |
| Service | CF | ULS 973981 | 2026-08-02 02:47:29 |
| Grant Date | 2001-03-06 | ULS 973981 | 2026-08-02 02:47:29 |
| Expiration Date | 2011-02-01 | ULS 973981 | 2026-08-02 02:47:29 |
| Cancellation Date | 2010-08-27 | ULS 973981 | 2026-08-02 02:47:29 |