Universal Licensing System
WPTL391
Motient Communications Inc.
License details
| ULS identifier | 2359580 |
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| Call sign | WPTL391 |
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| Radio service | GB |
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| Status | C |
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| Grant date | 2001-10-24 |
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| Expiration | 2011-10-24 |
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| Cancellation | 2002-02-21 |
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| Frequency range | 813.8375 - 858.8375 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | San Francisco, SAN FRANCISCO, CA |
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| Coordinates | 37.7899167, -122.4011389 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:14:04 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 2 | 1 | MO | 813.83750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | FB6C | 858.83750000 | | | 100.000000 | 183.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 813.83750000 | | 20K0F1D |
| 1 | 1 | 858.83750000 | | 20K0F1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 44 Montgomery, San Francisco, SAN FRANCISCO, CA | 37.78991667, -122.40113889 | 6.100 m | BANT | 169.200 m structure / 175.300 m overall | |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | | | 172.000 m | | | | 182.000 | |
| 1 | 2 | | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 300 KNIGHTSBRIDGE PARKWAY, LINCOLNSHIRE, IL | LAKE | 8474784212 |
License history
| Date | File or call sign | Action |
|---|
| 2002-02-22 | WPTL391 | LICAN |
| 2002-02-20 | WPTL391 | LIASS |
| 2001-10-24 | WPTL391 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2359580 | 2026-08-02 01:14:04 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPTL391 | ULS 2359580 | 2026-08-02 01:14:04 |
| Status | C | ULS 2359580 | 2026-08-02 01:14:04 |
| Service | GB | ULS 2359580 | 2026-08-02 01:14:04 |
| Grant Date | 2001-10-24 | ULS 2359580 | 2026-08-02 01:14:04 |
| Expiration Date | 2011-10-24 | ULS 2359580 | 2026-08-02 01:14:04 |
| Cancellation Date | 2002-02-21 | ULS 2359580 | 2026-08-02 01:14:04 |