Universal Licensing System
WRCS403
ALVAH CONTRACTORS INC.
License details
| ULS identifier | 4111241 |
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| Call sign | WRCS403 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2018-12-20 |
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| Expiration | 2028-12-20 |
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| Frequency range | 462.2375 - 467.3375 MHz (5 frequencies) |
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| Locations | 1 |
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| Representative location | SOUTH SAN FRANCISCO, SAN MATEO, CA |
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| Coordinates | 37.6440278, -122.4160556 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:22:29 |
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Licensee
| Name | ALVAH CONTRACTORS INC. |
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| Applicant type | C |
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| FRN | 0027997329 |
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| Location | SOUTH SAN FRANCISCO, CA |
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| Address | 263 S MAPLE, SOUTH SAN FRANCISCO, CA, 94080 |
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| Phone | 7077244693 |
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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 | MO | 462.23750000 | | | 6.000000 | 6.000000 | |
| 1 | 1 | MO | 462.33750000 | | | 6.000000 | 6.000000 | |
| 1 | 1 | MO | 462.38750000 | | | 6.000000 | 6.000000 | |
| 1 | 1 | MO | 467.23750000 | | | 6.000000 | 6.000000 | |
| 1 | 1 | MO | 467.33750000 | | | 6.000000 | 6.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 462.23750000 | | 11K2F3E |
| 1 | 1 | 462.33750000 | | 11K2F3E |
| 1 | 1 | 462.38750000 | | 11K2F3E |
| 1 | 1 | 467.23750000 | | 11K2F3E |
| 1 | 1 | 467.33750000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | SOUTH SAN FRANCISCO, SAN MATEO, CA | 37.64402778, -122.41605556 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 263 S MAPLE, SOUTH SAN FRANCISCO, CA | SAN MATEO | 7077244693 |
License history
| Date | File or call sign | Action |
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| 2018-12-20 | WRCS403 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 4111241 | 2026-08-02 01:22:29 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WRCS403 | ULS 4111241 | 2026-08-02 01:22:29 |
| Status | A | ULS 4111241 | 2026-08-02 01:22:29 |
| Service | IG | ULS 4111241 | 2026-08-02 01:22:29 |
| Grant Date | 2018-12-20 | ULS 4111241 | 2026-08-02 01:22:29 |
| Expiration Date | 2028-12-20 | ULS 4111241 | 2026-08-02 01:22:29 |