Universal Licensing System
WPTN892
Motient Communications Inc.
License details
| ULS identifier | 2362862 |
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| Call sign | WPTN892 |
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| Radio service | GB |
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| Status | T |
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| Grant date | 2001-11-13 |
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| Expiration | 2011-11-13 |
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| Cancellation | 2004-09-10 |
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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 | MILL VALLEY, MARIN, CA |
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| Coordinates | 37.9288889, -122.5875000 |
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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 | 350.000000 | |
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 | 2001 RIDGECREST BLVD MOUNT TAMALPIAS, MILL VALLEY, MARIN, CA | 37.92888889, -122.58750000 | 768.100 m | TOWER | 15.800 m structure / 15.800 m overall | |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | | | 12.000 m | | | | 577.000 | |
| 1 | 2 | | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 300 KNIGHTSBRIDGE PARKWAY, LINCOLNSHIRE, IL | LAKE | 8474784212 |
License history
| Date | File or call sign | Action |
|---|
| 2004-09-10 | WPTN892 | LITERM |
| 2002-06-18 | WPTN892 | LIAUA |
| 2002-04-26 | WPTN892 | LIASS |
| 2002-03-05 | WPTN892 | LIASS |
| 2002-02-20 | WPTN892 | LIASS |
| 2001-11-13 | WPTN892 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2362862 | 2026-08-02 01:14:04 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPTN892 | ULS 2362862 | 2026-08-02 01:14:04 |
| Status | T | ULS 2362862 | 2026-08-02 01:14:04 |
| Service | GB | ULS 2362862 | 2026-08-02 01:14:04 |
| Grant Date | 2001-11-13 | ULS 2362862 | 2026-08-02 01:14:04 |
| Expiration Date | 2011-11-13 | ULS 2362862 | 2026-08-02 01:14:04 |
| Cancellation Date | 2004-09-10 | ULS 2362862 | 2026-08-02 01:14:04 |