Universal Licensing System
WPVY422
GRIFFIN WIRELESS SERVICES INC
License details
| ULS identifier | 2445196 |
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| Call sign | WPVY422 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2002-09-05 |
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| Expiration | 2012-09-05 |
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| Cancellation | 2012-11-10 |
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| Frequency range | 452.2125 - 457.2125 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | WALNUT GROVE, SACRAMENTO, CA |
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| Coordinates | 38.2472222, -121.5019444 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:13:58 |
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Licensee
| Name | GRIFFIN WIRELESS SERVICES INC |
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| Applicant type | C |
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| FRN | 0005762364 |
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| Location | BRENTWOOD, CA |
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| Address | BRENTWOOD, CA, 94513 |
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| Phone | 8006469232 |
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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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| 1 | 1 | FB6 | 452.21250000 | | | 60.000000 | 38.000000 | |
| 2 | 1 | MO | 457.21250000 | | | 100.000000 | 100.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 452.21250000 | | 11K2F2D |
| 1 | 1 | 452.21250000 | | 11K2F3E |
| 2 | 1 | 457.21250000 | | 11K2F3E |
| 2 | 1 | 457.21250000 | | 11K2F2D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 14003 RIVER RD .7 MI NE, WALNUT GROVE, SACRAMENTO, CA | 38.24722222, -121.50194444 | 0.000 m | TOWER | 438.300 m structure / 472.100 m overall | |
| 2 | T | | 38.24722222, -121.50194444 | 0.000 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | | | 50.000 m | | | | 47.000 | |
| 1 | 2 | | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 1154 Juniper St., BRENTWOOD, CA | CONTRA COSTA | 8006469232 |
License history
| Date | File or call sign | Action |
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| 2012-11-10 | WPVY422 | LIEXP |
| 2012-06-11 | WPVY422 | LETRES |
| 2005-02-15 | WPVY422 | ESCAPR |
| 2005-02-12 | WPVY422 | LIAUA |
| 2005-02-11 | WPVY422 | LIAUA |
| 2003-07-31 | WPVY422 | LETCNS |
| 2002-09-05 | WPVY422 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2445196 | 2026-08-02 01:13:58 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPVY422 | ULS 2445196 | 2026-08-02 01:13:58 |
| Status | E | ULS 2445196 | 2026-08-02 01:13:58 |
| Service | IG | ULS 2445196 | 2026-08-02 01:13:58 |
| Grant Date | 2002-09-05 | ULS 2445196 | 2026-08-02 01:13:58 |
| Expiration Date | 2012-09-05 | ULS 2445196 | 2026-08-02 01:13:58 |
| Cancellation Date | 2012-11-10 | ULS 2445196 | 2026-08-02 01:13:58 |