Universal Licensing System
WNBL643
STRAND & SONS EXCAVATING INC
License details
| ULS identifier | 1860361 |
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| Call sign | WNBL643 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1999-09-23 |
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| Expiration | 2004-11-16 |
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| Cancellation | 2005-01-22 |
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| Frequency range | 483.4875 - 486.4875 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | NOVATO, MARIN, CA |
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| Coordinates | 38.0610278, -122.6058056 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:13:26 |
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Licensee
| Name | STRAND & SONS EXCAVATING INC |
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| Applicant type | C |
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| FRN | 0001547959 |
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| Location | SONOMA, CA |
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| Address | 20017 7TH ST E, SONOMA, CA, 95476 |
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| Phone | 7079385556 |
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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 | 483.48750000 | | | 50.000000 | 223.000000 | |
| 3 | 1 | MO | 483.48750000 | | | 50.000000 | 125.000000 | |
| 2 | 1 | FX1 | 486.48750000 | | | 16.000000 | 72.000000 | |
| 3 | 1 | MO | 486.48750000 | | | 50.000000 | 125.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 483.48750000 | | 20K0F3E |
| 3 | 1 | 483.48750000 | | 20K0F3E |
| 2 | 1 | 486.48750000 | | 20K0F3E |
| 3 | 1 | 486.48750000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | BIG ROCK RIDGE, NOVATO, MARIN, CA | 38.06102778, -122.60580556 | 573.000 m | | | N |
| 2 | T | 20017 7TH ST E, SONOMA, SONOMA, CA | 38.31075000, -122.47386111 | 24.000 m | | | N |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 29.000 m | | | | 452.000 | |
| 1 | 2 | T | | 8.000 m | | | | -150.000 | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 20017 7TH ST E, SONOMA, CA | | 7079385556 |
License history
| Date | File or call sign | Action |
|---|
| 2005-01-22 | WNBL643 | LIEXP |
| 2004-08-23 | WNBL643 | LETRES |
| 2003-08-28 | WNBL643 | AUDOPR |
| 2000-11-24 | WNBL643 | LICCNV |
| 1999-09-23 | WNBL643 | LIREN |
| 1999-09-23 | WNBL643 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1860361 | 2026-08-02 01:13:26 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WNBL643 | ULS 1860361 | 2026-08-02 01:13:26 |
| Status | E | ULS 1860361 | 2026-08-02 01:13:26 |
| Service | IG | ULS 1860361 | 2026-08-02 01:13:26 |
| Grant Date | 1999-09-23 | ULS 1860361 | 2026-08-02 01:13:26 |
| Expiration Date | 2004-11-16 | ULS 1860361 | 2026-08-02 01:13:26 |
| Cancellation Date | 2005-01-22 | ULS 1860361 | 2026-08-02 01:13:26 |