Universal Licensing System
WPMB398
SOUTHERN UNION COMPANY DBA SIERRA SUPRO ENERGY CO INC
License details
| ULS identifier | 1791224 |
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| Call sign | WPMB398 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1998-05-12 |
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| Expiration | 2003-05-12 |
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| Cancellation | 2003-08-17 |
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| Frequency range | 461.7 - 469.85 MHz (4 frequencies) |
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| Locations | 5 |
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| Representative location | FORT DAVIS, JEFF DAVIS, TX |
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| Coordinates | 30.6351389, -104.1738056 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:26:41 |
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Licensee
| Name | SOUTHERN UNION COMPANY DBA SIERRA SUPRO ENERGY CO INC |
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| Applicant type | C |
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| Location | AUSTIN, TX |
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| Address | 504 LAVACA STE 800, AUSTIN, TX, 78701 |
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| Phone | 8004277793 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB4 | 461.70000000 | | | 20.000000 | 100.000000 | |
| 4 | 1 | MO | 461.70000000 | | | 30.000000 | | |
| 2 | 1 | FB4 | 464.85000000 | | | 75.000000 | 330.000000 | |
| 3 | 1 | FX1 | 466.70000000 | | | 25.000000 | | |
| 4 | 1 | MO | 466.70000000 | | | 30.000000 | | |
| 3 | 1 | FX1 | 469.85000000 | | | 25.000000 | | |
| 5 | 1 | MO | 469.85000000 | | | 30.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 461.70000000 | | 20K0F3E |
| 4 | 1 | 461.70000000 | | 20K0F3E |
| 2 | 1 | 464.85000000 | | 20K0F3E |
| 3 | 1 | 466.70000000 | | 20K0F3E |
| 4 | 1 | 466.70000000 | | 20K0F3E |
| 3 | 1 | 469.85000000 | | 20K0F3E |
| 5 | 1 | 469.85000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | MOUNT LIVERMORE, FORT DAVIS, JEFF DAVIS, TX | 30.63513889, -104.17380556 | 2555.000 m | PIPE | 2.000 m structure / 9.000 m overall | N |
| 2 | T | 6 MI N OF US 385 US 90 THEN 14 M NNW, MARATHON, BREWSTER, TX | 30.39072222, -103.13766667 | 1710.000 m | TOWER | 91.000 m structure / 92.000 m overall | N |
| 3 | T | TX | | | | | |
| 4 | T | | | | | | |
| 5 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 9.000 m | | | | 0.000 | |
| 1 | 2 | T | | 90.000 m | | | | 0.000 | |
| 1 | 3 | T | | | | | | | |
| 1 | 4 | T | | | | | | | |
| 1 | 5 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | TX 118 N, ALPINE, TX | | 9158373348 |
License history
| Date | File or call sign | Action |
|---|
| 2003-08-17 | WPMB398 | LIEXP |
| 2003-02-19 | WPMB398 | LETRES |
| 2001-12-21 | WPMB398 | AUDOPR |
| 2000-11-23 | WPMB398 | LICCNV |
| 1998-05-12 | WPMB398 | AUTHPR |
| 1998-05-12 | WPMB398 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1791224 | 2026-08-02 01:26:41 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPMB398 | ULS 1791224 | 2026-08-02 01:26:41 |
| Status | E | ULS 1791224 | 2026-08-02 01:26:41 |
| Service | IG | ULS 1791224 | 2026-08-02 01:26:41 |
| Grant Date | 1998-05-12 | ULS 1791224 | 2026-08-02 01:26:41 |
| Expiration Date | 2003-05-12 | ULS 1791224 | 2026-08-02 01:26:41 |
| Cancellation Date | 2003-08-17 | ULS 1791224 | 2026-08-02 01:26:41 |