Universal Licensing System
WRDH586
PROMETHEUS REAL ESTATE GROUP
License details
| ULS identifier | 4155503 |
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| Call sign | WRDH586 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2019-04-30 |
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| Expiration | 2029-04-30 |
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| Frequency range | 451.4375 - 468.35 MHz (4 frequencies) |
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| Locations | 2 |
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| Representative location | SUNNYVALE, SANTA CLARA, CA |
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| Coordinates | 37.3664722, -122.0253333 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:22:45 |
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Licensee
| Name | PROMETHEUS REAL ESTATE GROUP |
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| Applicant type | C |
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| FRN | 0028308765 |
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| Location | SAN MATEO, CA |
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| Address | 1900 SOUTH NORFOLK STREET SUITE 150, SAN MATEO, CA, 94403 |
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| Phone | 6509313437 |
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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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| 2 | 1 | MO | 451.43750000 | | | 6.000000 | 6.000000 | |
| 2 | 1 | MO | 452.68750000 | | | 6.000000 | 6.000000 | |
| 1 | 1 | FB2 | 463.35000000 | | | 40.000000 | 40.000000 | |
| 2 | 1 | MO | 463.35000000 | | | 6.000000 | 6.000000 | |
| 2 | 1 | MO | 468.35000000 | | | 6.000000 | 6.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 451.43750000 | | 7K60FXE |
| 2 | 1 | 451.43750000 | | 11K2F3E |
| 2 | 1 | 452.68750000 | | 11K2F3E |
| 2 | 1 | 452.68750000 | | 7K60FXE |
| 1 | 1 | 463.35000000 | | 7K60FXE |
| 1 | 1 | 463.35000000 | | 11K2F3E |
| 2 | 1 | 463.35000000 | | 7K60FXE |
| 2 | 1 | 463.35000000 | | 11K2F3E |
| 2 | 1 | 468.35000000 | | 7K60FXE |
| 2 | 1 | 468.35000000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 655 SOUTH FAIR OAKS AVE, SUNNYVALE, SANTA CLARA, CA | 37.36647222, -122.02533333 | 31.600 m | BANT | 42.000 m structure / 42.000 m overall | |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | 15.000 m | | | | -29.000 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 655 SOUTH FAIR OAKS AVE, SUNNYVALE, CA | SANTA CLARA | 4087359780 |
License history
| Date | File or call sign | Action |
|---|
| 2019-04-30 | WRDH586 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 4155503 | 2026-08-02 01:22:45 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WRDH586 | ULS 4155503 | 2026-08-02 01:22:45 |
| Status | A | ULS 4155503 | 2026-08-02 01:22:45 |
| Service | IG | ULS 4155503 | 2026-08-02 01:22:45 |
| Grant Date | 2019-04-30 | ULS 4155503 | 2026-08-02 01:22:45 |
| Expiration Date | 2029-04-30 | ULS 4155503 | 2026-08-02 01:22:45 |