Universal Licensing System
WPWF421
STEVENSON HOUSE
License details
| ULS identifier | 2458281 |
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| Call sign | WPWF421 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2012-08-25 |
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| Expiration | 2022-11-04 |
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| Cancellation | 2023-01-07 |
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| Frequency range | 463.4625 - 468.6375 MHz (10 frequencies) |
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| Locations | 1 |
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| Representative location | PALO ALTO, SANTA CLARA, CA |
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| Coordinates | 37.4186111, -122.1122222 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:15:46 |
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Licensee
| Name | STEVENSON HOUSE |
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| Applicant type | C |
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| FRN | 0007402555 |
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| Location | PALO ALTO, CA |
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| Address | 455 EAST CHARLESTON ROAD, PALO ALTO, CA, 943064231 |
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| Phone | 6504941944 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 463.46250000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | MO | 463.63750000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | MO | 467.76250000 | | | 2.000000 | 2.000000 | |
| 1 | 1 | MO | 467.81250000 | | | 2.000000 | 2.000000 | |
| 1 | 1 | MO | 467.85000000 | | | 2.000000 | 2.000000 | |
| 1 | 1 | MO | 467.87500000 | | | 2.000000 | 2.000000 | |
| 1 | 1 | MO | 467.90000000 | | | 2.000000 | 2.000000 | |
| 1 | 1 | MO | 467.92500000 | | | 2.000000 | 2.000000 | |
| 1 | 1 | MO | 468.46250000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | MO | 468.63750000 | | | 5.000000 | 5.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 463.46250000 | | 11K2F3E |
| 1 | 1 | 463.46250000 | | 11K0F3E |
| 1 | 1 | 463.63750000 | | 11K2F3E |
| 1 | 1 | 463.63750000 | | 11K0F3E |
| 1 | 1 | 467.76250000 | | 11K0F3E |
| 1 | 1 | 467.76250000 | | 11K2F3E |
| 1 | 1 | 467.81250000 | | 11K2F3E |
| 1 | 1 | 467.81250000 | | 11K0F3E |
| 1 | 1 | 467.85000000 | | 11K0F3E |
| 1 | 1 | 467.85000000 | | 11K2F3E |
| 1 | 1 | 467.87500000 | | 11K0F3E |
| 1 | 1 | 467.87500000 | | 11K2F3E |
| 1 | 1 | 467.90000000 | | 11K0F3E |
| 1 | 1 | 467.90000000 | | 11K2F3E |
| 1 | 1 | 467.92500000 | | 11K2F3E |
| 1 | 1 | 467.92500000 | | 11K0F3E |
| 1 | 1 | 468.46250000 | | 11K0F3E |
| 1 | 1 | 468.46250000 | | 11K2F3E |
| 1 | 1 | 468.63750000 | | 11K2F3E |
| 1 | 1 | 468.63750000 | | 11K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | PALO ALTO, SANTA CLARA, CA | 37.41861111, -122.11222222 | 0.000 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 455 EAST CHARLESTON ROAD, PALO ALTO, CA | SANTA CLARA | 6504941944 |
License history
| Date | File or call sign | Action |
|---|
| 2023-01-07 | WPWF421 | LIEXP |
| 2012-08-25 | WPWF421 | LIREN |
| 2012-08-24 | WPWF421 | ESCAPR |
| 2012-08-13 | WPWF421 | LETRES |
| 2009-12-10 | WPWF421 | LTSAPR |
| 2009-12-09 | WPWF421 | EFUAPR |
| 2009-12-08 | WPWF421 | LIAUA |
| 2009-12-07 | WPWF421 | ESUAPR |
| 2008-05-14 | WPWF421 | PNLISR |
| 2008-05-14 | WPWF421 | LETTRS |
| 2008-01-08 | WPWF421 | LETCNS |
| 2007-04-04 | WPWF421 | LIMOD |
| 2003-08-04 | WPWF421 | LETCNS |
| 2002-11-04 | WPWF421 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2458281 | 2026-08-02 01:15:46 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPWF421 | ULS 2458281 | 2026-08-02 01:15:46 |
| Status | E | ULS 2458281 | 2026-08-02 01:15:46 |
| Service | IG | ULS 2458281 | 2026-08-02 01:15:46 |
| Grant Date | 2012-08-25 | ULS 2458281 | 2026-08-02 01:15:46 |
| Expiration Date | 2022-11-04 | ULS 2458281 | 2026-08-02 01:15:46 |
| Cancellation Date | 2023-01-07 | ULS 2458281 | 2026-08-02 01:15:46 |