Universal Licensing System
WPDS257
USA Mobility Wireless, Inc.
License details
| ULS identifier | 1131315 |
|---|
| Call sign | WPDS257 |
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| Radio service | GS |
|---|
| Status | E |
|---|
| Grant date | 1998-11-24 |
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| Expiration | 2008-11-24 |
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| Cancellation | 2009-01-10 |
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| Frequency range | 929.9625 MHz |
|---|
| Locations | 2 |
|---|
| Representative location | BETHESDA, MONTGOMERY, MD |
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| Coordinates | 38.9901111, -77.0974722 |
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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 |
|---|
| 1 | 1 | FB6C | 929.96250000 | | | 300.000000 | 1000.000000 | |
| 5 | 1 | FB6C | 929.96250000 | | | 300.000000 | 1000.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 929.96250000 | | 20K0F1D |
| 1 | 1 | 929.96250000 | | 20K0F3E |
| 5 | 1 | 929.96250000 | | 20K0F3E |
| 5 | 1 | 929.96250000 | | 20K0F1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 4853 CORDELL AVE, BETHESDA, MONTGOMERY, MD | 38.99011111, -77.09747222 | 94.000 m | | 54.000 m structure | N |
| 5 | T | 4300 HAREWOOD RD NE, WASHINGTON, DC | 38.93900000, -77.00663889 | 91.000 m | | 27.000 m structure | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 58.000 m | | | | 72.000 | |
| 1 | 5 | T | | 34.000 m | | | | 72.000 | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 9658 BALTIMORE AVE STE 304, COLLEGE PARK, MD | | 3012202525 |
License history
| Date | File or call sign | Action |
|---|
| 2009-01-10 | WPDS257 | LIEXP |
| 2008-12-17 | WPDS257 | LIASS |
| 2008-10-30 | WPDS257 | ESUAPR |
| 2008-09-01 | WPDS257 | LETRES |
| 2008-07-23 | WPDS257 | LIAUA |
| 2008-07-22 | WPDS257 | ESUAPR |
| 2008-07-17 | WPDS257 | ESUAPR |
| 2008-07-17 | WPDS257 | LIAUA |
| 2005-06-15 | WPDS257 | LIAUA |
| 2005-06-14 | WPDS257 | ESUAPR |
| 2004-12-07 | WPDS257 | LETAFU |
| 2004-12-03 | WPDS257 | LIAUA |
| 2004-12-03 | WPDS257 | ESCAPR |
| 2004-12-02 | WPDS257 | ESUAPR |
| 2004-12-02 | WPDS257 | ESCAPR |
| 2004-12-02 | WPDS257 | LIAUA |
| 2004-12-02 | WPDS257 | EFUAPR |
| 2004-12-01 | WPDS257 | ESUAPR |
| 2004-12-01 | WPDS257 | EFUAPR |
| 2004-11-24 | WPDS257 | PNACT |
| 2004-11-18 | WPDS257 | AUTHPR |
| 2004-11-17 | WPDS257 | AUDMOD |
| 2004-09-28 | WPDS257 | LETAUS |
| 2003-08-09 | WPDS257 | LITRAN |
| 2002-08-22 | WPDS257 | LIASS |
| 2002-06-03 | WPDS257 | LIASS |
| 2002-04-20 | WPDS257 | LIMOD |
| 2001-12-06 | WPDS257 | LIASS |
| 2001-10-19 | WPDS257 | LIAUA |
| 2001-07-31 | WPDS257 | LIAUA |
| 2000-10-13 | WPDS257 | LIAUA |
| 2000-09-15 | WPDS257 | LICCNV |
| 2000-07-12 | WPDS257 | AUTHPR |
| 2000-04-25 | WPDS257 | LITRAN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1131315 | 2026-08-16 01:10:03 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPDS257 | ULS 1131315 | 2026-08-16 01:10:03 |
| Status | E | ULS 1131315 | 2026-08-16 01:10:03 |
| Service | GS | ULS 1131315 | 2026-08-16 01:10:03 |
| Grant Date | 1998-11-24 | ULS 1131315 | 2026-08-16 01:10:03 |
| Expiration Date | 2008-11-24 | ULS 1131315 | 2026-08-16 01:10:03 |
| Cancellation Date | 2009-01-10 | ULS 1131315 | 2026-08-16 01:10:03 |