Universal Licensing System
WSDI392
MID-PENINSULA WATER DISTRICT
License details
| ULS identifier | 4966792 |
|---|
| Call sign | WSDI392 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2024-06-13 |
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| Expiration | 2034-06-13 |
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| Frequency range | 451.375 - 457.5 MHz (4 frequencies) |
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| Locations | 4 |
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| Representative location | BELMONT, SAN MATEO, CA |
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| Coordinates | 37.5018889, -122.3094167 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:24:27 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 4 | 1 | MO | 451.37500000 | | | 2.000000 | 2.000000 | |
| 1 | 1 | FB2 | 452.50000000 | | | 110.000000 | 110.000000 | |
| 2 | 1 | MO | 452.50000000 | | | 110.000000 | 110.000000 | |
| 4 | 1 | MO | 456.38750000 | | | 2.000000 | 2.000000 | |
| 2 | 1 | MO | 457.50000000 | | | 110.000000 | 110.000000 | |
| 3 | 1 | FX1 | 457.50000000 | | | 20.000000 | 30.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 4 | 1 | 451.37500000 | | 7K60FXD |
| 4 | 1 | 451.37500000 | | 7K60FXE |
| 4 | 1 | 451.37500000 | | 11K2F3E |
| 1 | 1 | 452.50000000 | | 11K2F3E |
| 1 | 1 | 452.50000000 | | 7K60FXD |
| 1 | 1 | 452.50000000 | | 7K60FXE |
| 2 | 1 | 452.50000000 | | 11K2F3E |
| 2 | 1 | 452.50000000 | | 7K60FXE |
| 2 | 1 | 452.50000000 | | 7K60FXD |
| 4 | 1 | 456.38750000 | | 7K60FXE |
| 4 | 1 | 456.38750000 | | 7K60FXD |
| 4 | 1 | 456.38750000 | | 11K2F3E |
| 2 | 1 | 457.50000000 | | 7K60FXE |
| 2 | 1 | 457.50000000 | | 11K2F3E |
| 2 | 1 | 457.50000000 | | 7K60FXD |
| 3 | 1 | 457.50000000 | | 11K2F3E |
| 3 | 1 | 457.50000000 | | 7K60FXE |
| 3 | 1 | 457.50000000 | | 7K60FXD |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | ADJACENT TO HALLMARK PARK 2569 HALLMARK DR, BELMONT, SAN MATEO, CA | 37.50188889, -122.30941667 | 238.000 m | TANK | 9.000 m structure / 12.000 m overall | |
| 2 | T | SAN MATEO, CA | | | | | |
| 3 | T | SAN MATEO, CA | | | | | |
| 4 | T | BELMONT, SAN MATEO, CA | 37.51022222, -122.27636111 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 12.000 m | | | | 122.400 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
| 1 | 4 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 3 DAIRY LANE, BELMONT, CA | SAN MATEO | 6502220300 |
License history
| Date | File or call sign | Action |
|---|
| 2025-03-18 | WSDI392 | LETCNS |
| 2024-06-13 | WSDI392 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4966792 | 2026-08-02 01:24:27 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WSDI392 | ULS 4966792 | 2026-08-02 01:24:27 |
| Status | A | ULS 4966792 | 2026-08-02 01:24:27 |
| Service | IG | ULS 4966792 | 2026-08-02 01:24:27 |
| Grant Date | 2024-06-13 | ULS 4966792 | 2026-08-02 01:24:27 |
| Expiration Date | 2034-06-13 | ULS 4966792 | 2026-08-02 01:24:27 |