Universal Licensing System
WNTZ431
AlarmNet Inc
License details
| ULS identifier | 1032925 |
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| Call sign | WNTZ431 |
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| Radio service | MG |
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| Status | C |
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| Grant date | 2010-06-02 |
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| Expiration | 2020-06-27 |
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| Cancellation | 2015-10-16 |
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| Frequency range | 928.0375 - 952.2375 MHz (4 frequencies) |
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| Locations | 1 |
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| Representative location | SAN RAMON, CONTRA COSTA, CA |
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| Coordinates | 37.8157500, -122.0621667 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:46:55 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 3 | FXO | 928.03750000 | | | | | |
| 1 | 3 | FXO | 928.23750000 | | | | | |
| 1 | 1 | FXO | 952.03750000 | | | | | |
| 1 | 1 | FXO | 952.23750000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 3 | 928.03750000 | | 25K0F3D |
| 1 | 3 | 928.23750000 | | 25K0F3D |
| 1 | 1 | 952.03750000 | | 25K0F3D |
| 1 | 1 | 952.23750000 | | 25K0F3D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | ROCKY RIDGE, SAN RAMON, CONTRA COSTA, CA | 37.81575000, -122.06216667 | 617.200 m | | 71.000 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | V | 12.2000 | 360.0000 | | |
| 2 | 1 | R | | | | 5.2000 | | | |
| 3 | 1 | T | | | V | 5.2000 | 999.0000 | | |
| 4 | 1 | R | | | | 12.2000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2015-10-16 | WNTZ431 | LICAN |
| 2011-03-24 | WNTZ431 | AUTHPR |
| 2010-06-02 | WNTZ431 | LIREN |
| 2010-05-24 | WNTZ431 | ESCAPR |
| 2010-04-05 | WNTZ431 | LETRES |
| 2003-03-31 | WNTZ431 | LITRAN |
| 2001-12-31 | WNTZ431 | LIASS |
| 2000-06-06 | WNTZ431 | LIREN |
| 2000-04-01 | WNTZ431 | LETRES |
| 2000-02-04 | WNTZ431 | LITRAN |
| 1999-08-14 | WNTZ431 | LICCNV |
| 1998-12-02 | WNTZ431 | COR |
| 1995-06-12 | WNTZ431 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1032925 | 2026-08-02 02:46:55 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WNTZ431 | ULS 1032925 | 2026-08-02 02:46:55 |
| Status | C | ULS 1032925 | 2026-08-02 02:46:55 |
| Service | MG | ULS 1032925 | 2026-08-02 02:46:55 |
| Grant Date | 2010-06-02 | ULS 1032925 | 2026-08-02 02:46:55 |
| Expiration Date | 2020-06-27 | ULS 1032925 | 2026-08-02 02:46:55 |
| Cancellation Date | 2015-10-16 | ULS 1032925 | 2026-08-02 02:46:55 |