Universal Licensing System
WPWJ421
USA Mobility Wireless, Inc.
License details
| ULS identifier | 2464666 |
|---|
| Call sign | WPWJ421 |
|---|
| Radio service | GS |
|---|
| Status | E |
|---|
| Grant date | 2002-11-27 |
|---|
| Expiration | 2012-11-27 |
|---|
| Cancellation | 2013-01-12 |
|---|
| Frequency range | 929.4625 MHz |
|---|
| Locations | 1 |
|---|
| Representative location | GLEN ELLEN, SONOMA, CA |
|---|
| Coordinates | 38.3718611, -122.4638611 |
|---|
| Source archive | l_LMcomm.zip |
|---|
| Dataset refreshed | 2026-08-02 00:44:12 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB6C | 929.46250000 | | | 250.000000 | 519.900000 | |
| 2 | 1 | FB6C | 929.46250000 | | | 250.000000 | 302.000000 | |
| 3 | 1 | FB6C | 929.46250000 | | | 150.000000 | 491.400000 | |
| 4 | 1 | FB6C | 929.46250000 | | | 250.000000 | 65.400000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 929.46250000 | | 20K0F1D |
| 2 | 1 | 929.46250000 | | 20K0F1D |
| 3 | 1 | 929.46250000 | | 20K0F1D |
| 4 | 1 | 929.46250000 | | 20K0F1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 801 10TH ST, MODESTO, STANISLAUS, CA | 37.63861111, -120.99888889 | 26.800 m | B | 48.800 m structure / 48.800 m overall | |
| 2 | T | 7721 EMPIRE GRADE RD, SANTA CRUZ, SANTA CRUZ, CA | 37.06188889, -122.12163889 | 584.600 m | TOWER | 20.700 m structure / 20.700 m overall | |
| 3 | T | 4425 CAVEDALE RD, GLEN ELLEN, SONOMA, CA | 38.37186111, -122.46386111 | 694.900 m | TOWER | 22.900 m structure / 25.300 m overall | |
| 4 | T | 606 WEST DELANO STREET (Elverta #8730--GLD), ELVERTA, SACRAMENTO, CA | 38.70722222, -121.47694444 | 10.600 m | TOWER | 152.400 m structure / 152.400 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 48.800 m | | 6.0000 | | 52.100 | |
| 1 | 2 | T | | 19.800 m | | 3.0000 | | 380.900 | |
| 1 | 3 | T | | 16.500 m | | 8.0000 | 200.0000 | 515.100 | |
| 1 | 4 | T | | 152.400 m | | 3.0000 | | 147.900 | |
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 | WPWJ421 | LIEXP |
| 2012-09-03 | WPWJ421 | LETRES |
| 2010-03-09 | WPWJ421 | ESCAPR |
| 2010-03-09 | WPWJ421 | LIAUA |
| 2010-03-08 | WPWJ421 | ESUAPR |
| 2010-03-08 | WPWJ421 | EFUAPR |
| 2008-12-17 | WPWJ421 | LIASS |
| 2008-10-30 | WPWJ421 | ESUAPR |
| 2008-07-23 | WPWJ421 | LIAUA |
| 2008-07-22 | WPWJ421 | ESUAPR |
| 2008-07-17 | WPWJ421 | ESUAPR |
| 2008-07-17 | WPWJ421 | LIAUA |
| 2005-06-15 | WPWJ421 | LIAUA |
| 2005-06-14 | WPWJ421 | ESUAPR |
| 2004-12-07 | WPWJ421 | LETAFU |
| 2004-12-03 | WPWJ421 | LIAUA |
| 2004-12-02 | WPWJ421 | ESUAPR |
| 2004-12-02 | WPWJ421 | LIAUA |
| 2004-12-01 | WPWJ421 | ESUAPR |
| 2004-11-15 | WPWJ421 | AUDOPR |
| 2004-09-28 | WPWJ421 | LETAUS |
| 2004-09-02 | WPWJ421 | LIAUA |
| 2004-09-01 | WPWJ421 | ESUAPR |
| 2003-08-09 | WPWJ421 | LITRAN |
| 2002-11-27 | WPWJ421 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2464666 | 2026-08-02 00:44:12 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPWJ421 | ULS 2464666 | 2026-08-02 00:44:12 |
| Status | E | ULS 2464666 | 2026-08-02 00:44:12 |
| Service | GS | ULS 2464666 | 2026-08-02 00:44:12 |
| Grant Date | 2002-11-27 | ULS 2464666 | 2026-08-02 00:44:12 |
| Expiration Date | 2012-11-27 | ULS 2464666 | 2026-08-02 00:44:12 |
| Cancellation Date | 2013-01-12 | ULS 2464666 | 2026-08-02 00:44:12 |