Universal Licensing System
WNTB437
BAY ALARM COMPANY
License details
| ULS identifier | 1019345 |
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| Call sign | WNTB437 |
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| Radio service | MG |
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| Status | E |
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| Grant date | 2009-10-30 |
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| Expiration | 2019-12-29 |
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| Cancellation | 2020-02-29 |
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| Frequency range | 928.3375 - 952.3375 MHz (2 frequencies) |
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| Locations | 1 |
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| Representative location | WALNUT CREEK, CONTRA COSTA, CA |
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| Coordinates | 37.8815833, -121.9191111 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:44:50 |
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Licensee
| Name | BAY ALARM COMPANY |
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| Applicant type | C |
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| FRN | 0001545128 |
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| Location | WALNUT CREEK, CA |
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| Address | WALNUT CREEK, CA, 94596 |
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| Phone | 5106392664 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 3 | FXO | 928.33750000 | | | | | |
| 1 | 1 | FXO | 952.33750000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 3 | 928.33750000 | | 25K0F3E |
| 1 | 1 | 952.33750000 | | 25K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | MT DIABLO, WALNUT CREEK, CONTRA COSTA, CA | 37.88158333, -121.91911111 | 1091.200 m | | 86.900 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | V | 10.0000 | 360.0000 | | |
| 2 | 1 | R | | | | | | | |
| 3 | 1 | T | | | V | | 999.0000 | | |
| 4 | 1 | R | | | | 10.0000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2020-02-29 | WNTB437 | LIEXP |
| 2019-10-07 | WNTB437 | LETRES |
| 2009-10-30 | WNTB437 | LIREN |
| 2009-10-29 | WNTB437 | ESCAPR |
| 2009-10-05 | WNTB437 | LETRES |
| 1999-10-19 | WNTB437 | LIREN |
| 1999-10-02 | WNTB437 | LETRES |
| 1999-08-14 | WNTB437 | LICCNV |
| 1998-11-23 | WNTB437 | COR |
| 1998-07-08 | WNTB437 | COR |
| 1994-12-01 | WNTB437 | LIREN |
| 1989-12-29 | WNTB437 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1019345 | 2026-08-02 02:44:50 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WNTB437 | ULS 1019345 | 2026-08-02 02:44:50 |
| Status | E | ULS 1019345 | 2026-08-02 02:44:50 |
| Service | MG | ULS 1019345 | 2026-08-02 02:44:50 |
| Grant Date | 2009-10-30 | ULS 1019345 | 2026-08-02 02:44:50 |
| Expiration Date | 2019-12-29 | ULS 1019345 | 2026-08-02 02:44:50 |
| Cancellation Date | 2020-02-29 | ULS 1019345 | 2026-08-02 02:44:50 |