Universal Licensing System
WPDW381
USA Mobility Wireless, Inc.
License details
| ULS identifier | 1131441 |
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| Call sign | WPDW381 |
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| Radio service | GS |
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| Status | E |
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| Grant date | 1998-11-30 |
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| Expiration | 2008-11-30 |
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| Cancellation | 2009-01-17 |
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| Frequency range | 929.1125 MHz |
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| Locations | 4 |
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| Representative location | GREENBELT, PRINCE GEORGE'S, MD |
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| Coordinates | 38.9909444, -76.8813611 |
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| Source archive | l_LMcomm.zip |
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| Dataset refreshed | 2026-08-16 01:10:03 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 2 | 1 | FB6C | 929.11250000 | | | 300.000000 | 1000.000000 | |
| 4 | 1 | FB6C | 929.11250000 | | | 300.000000 | 1000.000000 | |
| 5 | 1 | FB6C | 929.11250000 | | | 300.000000 | 1000.000000 | |
| 6 | 1 | FB6C | 929.11250000 | | | 300.000000 | 1000.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 929.11250000 | | 20K0F3E |
| 2 | 1 | 929.11250000 | | 20K0F1D |
| 4 | 1 | 929.11250000 | | 20K0F1D |
| 4 | 1 | 929.11250000 | | 20K0F3E |
| 5 | 1 | 929.11250000 | | 20K0F3E |
| 5 | 1 | 929.11250000 | | 20K0F1D |
| 6 | 1 | 929.11250000 | | 20K0F3E |
| 6 | 1 | 929.11250000 | | 20K0F1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 2 | T | 11350 RANDOM HILLS RD, FAIRFAX, VA | 38.85705556, -77.33636111 | 139.000 m | | 55.000 m structure | N |
| 4 | T | .3 MI NE OF RT 616 NEAR GLENDIE, FREDERICKSBURG, VA | 38.44680556, -77.54608333 | 76.000 m | | 152.000 m structure | N |
| 5 | T | 7501 GREENWAY CTR DR, GREENBELT, PRINCE GEORGE'S, MD | 38.99094444, -76.88136111 | 43.000 m | | 66.000 m structure | N |
| 6 | T | 7 E WASHINGTON ST, HAGERSTOWN, WASHINGTON, MD | 39.64175000, -77.72000000 | 165.000 m | | 46.000 m structure | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 2 | T | | 58.000 m | | | | 97.000 | |
| 1 | 4 | T | | 155.000 m | | | | 148.000 | |
| 1 | 5 | T | | 70.000 m | | | | 63.000 | |
| 1 | 6 | T | | 50.000 m | | | | 31.000 | |
Control points
| Number | Address | County | Phone |
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| 1 | 9658 BALTIMORE AVE STE 304, COLLEGE PARK, MD | | 3012202525 |
License history
| Date | File or call sign | Action |
|---|
| 2009-01-17 | WPDW381 | LIEXP |
| 2008-12-17 | WPDW381 | LIASS |
| 2008-10-30 | WPDW381 | ESUAPR |
| 2008-09-08 | WPDW381 | LETRES |
| 2008-07-23 | WPDW381 | LIAUA |
| 2008-07-22 | WPDW381 | ESUAPR |
| 2008-07-17 | WPDW381 | LIAUA |
| 2008-07-17 | WPDW381 | ESUAPR |
| 2005-06-15 | WPDW381 | LIAUA |
| 2005-06-14 | WPDW381 | ESUAPR |
| 2004-12-07 | WPDW381 | LETAFU |
| 2004-12-03 | WPDW381 | LIAUA |
| 2004-12-03 | WPDW381 | ESCAPR |
| 2004-12-02 | WPDW381 | ESCAPR |
| 2004-12-02 | WPDW381 | LIAUA |
| 2004-12-02 | WPDW381 | ESUAPR |
| 2004-12-02 | WPDW381 | EFUAPR |
| 2004-12-01 | WPDW381 | ESUAPR |
| 2004-12-01 | WPDW381 | EFUAPR |
| 2004-11-24 | WPDW381 | PNACT |
| 2004-11-18 | WPDW381 | AUTHPR |
| 2004-11-17 | WPDW381 | AUDMOD |
| 2004-10-05 | WPDW381 | COR |
| 2004-09-28 | WPDW381 | LETAUS |
| 2003-08-09 | WPDW381 | LITRAN |
| 2002-08-22 | WPDW381 | LIASS |
| 2002-06-03 | WPDW381 | LIASS |
| 2001-12-06 | WPDW381 | LIASS |
| 2001-10-19 | WPDW381 | LIAUA |
| 2001-07-31 | WPDW381 | LIAUA |
| 2000-10-13 | WPDW381 | LIAUA |
| 2000-09-15 | WPDW381 | LICCNV |
| 2000-07-07 | WPDW381 | AUTHPR |
| 2000-04-25 | WPDW381 | LITRAN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1131441 | 2026-08-16 01:10:03 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPDW381 | ULS 1131441 | 2026-08-16 01:10:03 |
| Status | E | ULS 1131441 | 2026-08-16 01:10:03 |
| Service | GS | ULS 1131441 | 2026-08-16 01:10:03 |
| Grant Date | 1998-11-30 | ULS 1131441 | 2026-08-16 01:10:03 |
| Expiration Date | 2008-11-30 | ULS 1131441 | 2026-08-16 01:10:03 |
| Cancellation Date | 2009-01-17 | ULS 1131441 | 2026-08-16 01:10:03 |