Universal Licensing System
WNBM680
NORTH MAIN TOWING
License details
| ULS identifier | 1647359 |
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| Call sign | WNBM680 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2000-02-28 |
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| Expiration | 2005-03-01 |
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| Cancellation | 2005-05-07 |
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| Frequency range | 461.825 - 466.825 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | WALNUT CREEK, CONTRA COSTA, CA |
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| Coordinates | 37.8815833, -121.9191389 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:18:23 |
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Licensee
| Name | NORTH MAIN TOWING |
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| Applicant type | C |
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| FRN | 0001538305 |
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| Location | WALNUT CREEK, CA |
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| Address | 1531 3RD AVE, WALNUT CREEK, CA, 94596 |
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| Phone | 5109337670 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 1 | 1 | FB4 | 461.82500000 | | | 75.000000 | 59.000000 | |
| 3 | 1 | MO | 461.82500000 | | | 30.000000 | 35.000000 | |
| 2 | 1 | FX1 | 466.82500000 | | | 25.000000 | 35.000000 | |
| 3 | 1 | MO | 466.82500000 | | | 30.000000 | 35.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 461.82500000 | | 20K0F3E |
| 3 | 1 | 461.82500000 | | 20K0F3E |
| 2 | 1 | 466.82500000 | | 20K0F3E |
| 3 | 1 | 466.82500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | MOUNT DIABLO, WALNUT CREEK, CONTRA COSTA, CA | 37.88158333, -121.91913889 | 1091.000 m | | | N |
| 2 | T | CA | | | | | |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 51.000 m | | | | | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 1531 3RD AVE, WALNUT CREEK, CA | | 5109337670 |
License history
| Date | File or call sign | Action |
|---|
| 2005-05-07 | WNBM680 | LIEXP |
| 2004-12-06 | WNBM680 | LETRES |
| 2001-11-01 | WNBM680 | AUDOPR |
| 2000-11-23 | WNBM680 | LICCNV |
| 2000-02-28 | WNBM680 | AUTHPR |
| 2000-02-28 | WNBM680 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1647359 | 2026-08-02 01:18:23 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WNBM680 | ULS 1647359 | 2026-08-02 01:18:23 |
| Status | E | ULS 1647359 | 2026-08-02 01:18:23 |
| Service | IG | ULS 1647359 | 2026-08-02 01:18:23 |
| Grant Date | 2000-02-28 | ULS 1647359 | 2026-08-02 01:18:23 |
| Expiration Date | 2005-03-01 | ULS 1647359 | 2026-08-02 01:18:23 |
| Cancellation Date | 2005-05-07 | ULS 1647359 | 2026-08-02 01:18:23 |