Universal Licensing System
WPSF670
BACKLINK V, LLC
License details
| ULS identifier | 1958865 |
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| Call sign | WPSF670 |
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| Radio service | CF |
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| Status | C |
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| Grant date | 2001-04-09 |
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| Expiration | 2011-04-09 |
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| Cancellation | 2002-06-28 |
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| Frequency range | 21325 MHz |
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| Locations | 2 |
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| Representative location | Walnut Creek, CONTRA COSTA, CA |
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| Coordinates | 37.8983889, -122.0702778 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:45:51 |
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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 | FXO | 21325.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 21325.00000000 | | 40M0F7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | 1415 Oakland Blvd., Walnut Creek, CONTRA COSTA, CA | 37.89838889, -122.07027778 | 59.100 m | BPOLE | 16.500 m structure / 16.500 m overall | |
| 2 | R | | 37.89833333, -122.07050000 | 60.000 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Radio Waves Inc. HPLP1.5-23 | | V | 37.2000 | 252.5000 | | |
| 1 | 2 | R | Radio Waves Inc. HPLP1.5-23 | | | 37.2000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2002-06-29 | WPSF670 | LICAN |
| 2002-06-28 | WPSF670 | LIASS |
| 2001-09-07 | WPSF670 | LIASS |
| 2001-09-06 | WPSF670 | LITRAN |
| 2001-04-09 | WPSF670 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1958865 | 2026-08-02 02:45:51 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPSF670 | ULS 1958865 | 2026-08-02 02:45:51 |
| Status | C | ULS 1958865 | 2026-08-02 02:45:51 |
| Service | CF | ULS 1958865 | 2026-08-02 02:45:51 |
| Grant Date | 2001-04-09 | ULS 1958865 | 2026-08-02 02:45:51 |
| Expiration Date | 2011-04-09 | ULS 1958865 | 2026-08-02 02:45:51 |
| Cancellation Date | 2002-06-28 | ULS 1958865 | 2026-08-02 02:45:51 |