Universal Licensing System
WQVB929
Challenger School - Middlefield
License details
| ULS identifier | 3657344 |
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| Call sign | WQVB929 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2024-09-24 |
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| Expiration | 2034-12-20 |
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| Frequency range | 456.3625 - 469.65 MHz (5 frequencies) |
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| Locations | 1 |
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| Representative location | Palo Alto, SANTA CLARA, CA |
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| Coordinates | 37.4206389, -122.1110000 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:20:59 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 456.36250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 456.71250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 468.47500000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 468.82500000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 469.65000000 | | | 25.000000 | 21.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 456.36250000 | | 7K60FXE |
| 1 | 1 | 456.71250000 | | 7K60FXE |
| 1 | 1 | 468.47500000 | | 7K60FXE |
| 1 | 1 | 468.82500000 | | 7K60FXE |
| 1 | 1 | 469.65000000 | | 7K60FXE |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Palo Alto, SANTA CLARA, CA | 37.42063889, -122.11100000 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 3880 Middlefield Roa, Palo Alto, CA | SANTA CLARA | 8015692700 |
License history
| Date | File or call sign | Action |
|---|
| 2024-09-24 | WQVB929 | LIREN |
| 2024-09-23 | WQVB929 | LETRES |
| 2018-02-21 | WQVB929 | LIAUA |
| 2014-12-20 | WQVB929 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 3657344 | 2026-08-02 01:20:59 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQVB929 | ULS 3657344 | 2026-08-02 01:20:59 |
| Status | A | ULS 3657344 | 2026-08-02 01:20:59 |
| Service | IG | ULS 3657344 | 2026-08-02 01:20:59 |
| Grant Date | 2024-09-24 | ULS 3657344 | 2026-08-02 01:20:59 |
| Expiration Date | 2034-12-20 | ULS 3657344 | 2026-08-02 01:20:59 |