Universal Licensing System
WPWJ420
USA Mobility Wireless, Inc.
License details
| ULS identifier | 2464665 |
|---|
| Call sign | WPWJ420 |
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| Radio service | CD |
|---|
| Status | E |
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| Grant date | 2002-11-27 |
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| Expiration | 2012-11-27 |
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| Cancellation | 2013-01-12 |
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| Frequency range | 931.1375 MHz |
|---|
| Locations | 2 |
|---|
| Representative location | SAN RAMON, CONTRA COSTA, CA |
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| Coordinates | 37.7382778, -121.9949722 |
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| Source archive | l_paging.zip |
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| Dataset refreshed | 2026-08-02 02:52:27 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 2 | 1 | FBBS | 931.13750000 | | | 250.000000 | 281.200000 | |
| 3 | 1 | FBBS | 931.13750000 | | | 250.000000 | 960.900000 | |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 2 | T | APPROX 3 MI SSW OF SAN RAMON, SAN RAMON, CONTRA COSTA, CA | 37.73827778, -121.99497222 | 565.100 m | TOWER | 45.700 m structure / 53.300 m overall | |
| 3 | T | 17800 Wolf Mountain Rd. (Wolf Mtn-GLD-8635), Grass Valley, NEVADA, CA | 39.13294444, -121.10022222 | 801.300 m | TOWER | 36.600 m structure / 36.600 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 2 | T | | 21.000 m | | 5.5000 | | | |
| 1 | 3 | T | | 36.600 m | | 9.4000 | 120.0000 | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1800 West Park Drive, Suite 250, Westborough, MA | WORCESTER | 5088706700 |
License history
| Date | File or call sign | Action |
|---|
| 2013-01-12 | WPWJ420 | LIEXP |
| 2012-09-03 | WPWJ420 | LETRES |
| 2010-03-09 | WPWJ420 | ESCAPR |
| 2010-03-09 | WPWJ420 | LIAUA |
| 2010-03-08 | WPWJ420 | EFUAPR |
| 2010-03-08 | WPWJ420 | ESUAPR |
| 2008-12-17 | WPWJ420 | LIASS |
| 2008-10-30 | WPWJ420 | ESUAPR |
| 2008-07-23 | WPWJ420 | LIAUA |
| 2008-07-22 | WPWJ420 | ESUAPR |
| 2008-07-17 | WPWJ420 | LIAUA |
| 2008-07-17 | WPWJ420 | ESUAPR |
| 2005-06-15 | WPWJ420 | LIAUA |
| 2005-06-14 | WPWJ420 | ESUAPR |
| 2004-12-07 | WPWJ420 | LETAFU |
| 2004-12-03 | WPWJ420 | LIAUA |
| 2004-12-02 | WPWJ420 | LIAUA |
| 2004-12-02 | WPWJ420 | ESUAPR |
| 2004-12-01 | WPWJ420 | ESUAPR |
| 2004-11-24 | WPWJ420 | PNACT |
| 2004-11-18 | WPWJ420 | AUTHPR |
| 2004-11-17 | WPWJ420 | AUDMOD |
| 2004-09-28 | WPWJ420 | LETAUS |
| 2004-09-02 | WPWJ420 | LIAUA |
| 2004-09-01 | WPWJ420 | ESUAPR |
| 2003-08-25 | WPWJ420 | LETCNS |
| 2003-08-09 | WPWJ420 | LITRAN |
| 2002-12-04 | WPWJ420 | AUTHPR |
| 2002-11-27 | WPWJ420 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2464665 | 2026-08-02 02:52:27 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPWJ420 | ULS 2464665 | 2026-08-02 02:52:27 |
| Status | E | ULS 2464665 | 2026-08-02 02:52:27 |
| Service | CD | ULS 2464665 | 2026-08-02 02:52:27 |
| Grant Date | 2002-11-27 | ULS 2464665 | 2026-08-02 02:52:27 |
| Expiration Date | 2012-11-27 | ULS 2464665 | 2026-08-02 02:52:27 |
| Cancellation Date | 2013-01-12 | ULS 2464665 | 2026-08-02 02:52:27 |