Universal Licensing System
WLM421
MOBILE SATELLITE COMMUNICATIONS INC DBA PITTSBURGH INTERNATIONAL TEL
License details
| ULS identifier | 994505 |
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| Call sign | WLM421 |
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| Radio service | CF |
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| Status | E |
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| Grant date | 1990-03-13 |
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| Expiration | 2000-01-01 |
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| Cancellation | 2000-04-01 |
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| Frequency range | 10755 - 10835 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | SEWICKLEY, ALLEGHENY, PA |
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| Coordinates | 40.5339444, -80.1372778 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:47:50 |
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Licensee
| Name | MOBILE SATELLITE COMMUNICATIONS INC DBA PITTSBURGH INTERNATIONAL TEL |
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| Applicant type | C |
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| Location | PITTSBURGH, PA |
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| Address | PITTSBURGH, PA, 15239 |
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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 | 10755.00000000 | | | | | |
| 1 | 1 | FXO | 10835.00000000 | | | | | |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | I-79 INDUSTRIAL PARK, SEWICKLEY, ALLEGHENY, PA | 40.53394444, -80.13727778 | 365.800 m | | 30.500 m overall | |
| 2 | R | | 40.49533333, -80.00475000 | 400.200 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | V | | 110.9000 | | |
| 1 | 2 | R | | | | | | | |
License history
| Date | File or call sign | Action |
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| 2000-04-01 | WLM421 | LIEXP |
| 1999-10-14 | WLM421 | LETRES |
| 1999-08-14 | WLM421 | LICCNV |
| 1999-07-29 | WLM421 | COR |
| 1997-12-23 | WLM421 | COR |
| 1990-03-13 | WLM421 | LIMOD |
| 1987-03-17 | WLM421 | APGRT |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 994505 | 2026-08-02 02:47:50 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WLM421 | ULS 994505 | 2026-08-02 02:47:50 |
| Status | E | ULS 994505 | 2026-08-02 02:47:50 |
| Service | CF | ULS 994505 | 2026-08-02 02:47:50 |
| Grant Date | 1990-03-13 | ULS 994505 | 2026-08-02 02:47:50 |
| Expiration Date | 2000-01-01 | ULS 994505 | 2026-08-02 02:47:50 |
| Cancellation Date | 2000-04-01 | ULS 994505 | 2026-08-02 02:47:50 |