Universal Licensing System
WRDU773
MENLO SCHOOL
License details
| ULS identifier | 4182862 |
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| Call sign | WRDU773 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2019-07-24 |
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| Expiration | 2029-07-24 |
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| Frequency range | 452.6875 - 457.6875 MHz (4 frequencies) |
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| Locations | 2 |
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| Representative location | ATHERTON, SAN MATEO, CA |
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| Coordinates | 37.4534167, -122.1917222 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:22:58 |
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Licensee
| Name | MENLO SCHOOL |
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| Applicant type | C |
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| FRN | 0028532620 |
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| Location | ATHERTON, CA |
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| Address | 50 VALPARAISO AVE, ATHERTON, CA, 94027 |
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| Phone | 6503302001 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 452.68750000 | | | 20.000000 | 20.000000 | |
| 2 | 1 | MO | 452.68750000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 456.28750000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 457.31250000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 457.68750000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 452.68750000 | | 7K60FXE |
| 1 | 1 | 452.68750000 | | 7K60FXD |
| 2 | 1 | 452.68750000 | | 7K60FXD |
| 2 | 1 | 452.68750000 | | 7K60FXE |
| 2 | 1 | 456.28750000 | | 7K60FXD |
| 2 | 1 | 456.28750000 | | 7K60FXE |
| 2 | 1 | 457.31250000 | | 7K60FXE |
| 2 | 1 | 457.31250000 | | 7K60FXD |
| 2 | 1 | 457.68750000 | | 7K60FXE |
| 2 | 1 | 457.68750000 | | 7K60FXD |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 50 VALPARAISO AVE, ATHERTON, SAN MATEO, CA | 37.45341667, -122.19172222 | 22.000 m | BANT | 10.000 m structure / 16.000 m overall | |
| 2 | T | SAN MATEO, CA | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 16.000 m | | | | -78.700 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 50 VALPARAISO AVE, ATHERTON, CA | SAN MATEO | 6503302001 |
License history
| Date | File or call sign | Action |
|---|
| 2020-04-28 | WRDU773 | LETCNS |
| 2019-07-24 | WRDU773 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 4182862 | 2026-08-02 01:22:58 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WRDU773 | ULS 4182862 | 2026-08-02 01:22:58 |
| Status | A | ULS 4182862 | 2026-08-02 01:22:58 |
| Service | IG | ULS 4182862 | 2026-08-02 01:22:58 |
| Grant Date | 2019-07-24 | ULS 4182862 | 2026-08-02 01:22:58 |
| Expiration Date | 2029-07-24 | ULS 4182862 | 2026-08-02 01:22:58 |