Universal Licensing System
WPQQ278
BACKLINK LLC
License details
| ULS identifier | 1095903 |
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| Call sign | WPQQ278 |
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| Radio service | CF |
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| Status | C |
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| Grant date | 2000-08-09 |
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| Expiration | 2010-08-09 |
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| Cancellation | 2000-10-25 |
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| Frequency range | 19440 MHz |
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| Locations | 2 |
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| Representative location | WALNUT CREEK, CONTRA COSTA, CA |
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| Coordinates | 37.9107500, -122.0672778 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:47:25 |
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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 | 19440.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 19440.00000000 | | 40M0F7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1600 RIVIERA AVE, WALNUT CREEK, CONTRA COSTA, CA | 37.91075000, -122.06727778 | 45.700 m | BPOLE | 22.900 m structure / 22.900 m overall | |
| 2 | R | | 37.97544444, -122.03047222 | 22.900 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | RADIO WAVES INC HP2-18 | | V | 39.0000 | 24.2000 | | |
| 1 | 2 | R | RADIO WAVES INC HP2-18 | | | 39.0000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2000-10-26 | WPQQ278 | LICAN |
| 2000-08-09 | WPQQ278 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1095903 | 2026-08-02 02:47:25 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPQQ278 | ULS 1095903 | 2026-08-02 02:47:25 |
| Status | C | ULS 1095903 | 2026-08-02 02:47:25 |
| Service | CF | ULS 1095903 | 2026-08-02 02:47:25 |
| Grant Date | 2000-08-09 | ULS 1095903 | 2026-08-02 02:47:25 |
| Expiration Date | 2010-08-09 | ULS 1095903 | 2026-08-02 02:47:25 |
| Cancellation Date | 2000-10-25 | ULS 1095903 | 2026-08-02 02:47:25 |