Universal Licensing System
WRAA439
SkyRiver Communications
License details
| ULS identifier | 3958543 |
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| Call sign | WRAA439 |
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| Radio service | MG |
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| Status | C |
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| Grant date | 2017-09-22 |
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| Expiration | 2027-09-22 |
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| Cancellation | 2018-11-13 |
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| Frequency range | 18065 MHz |
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| Locations | 2 |
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| Representative location | Rancho Cucamonga, SAN BERNARDINO, CA |
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| Coordinates | 34.0854722, -117.5691389 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:43:52 |
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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 | 18065.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 18065.00000000 | | 50M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 10808 6th St. STE A, Rancho Cucamonga, SAN BERNARDINO, CA | 34.08547222, -117.56913889 | 326.100 m | B | 13.700 m structure / 14.600 m overall | |
| 2 | R | | 34.02919444, -117.49888889 | 347.500 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | TONGYU COMMUNICATIONS TYA06U18S | | H | 38.9000 | 133.9000 | | |
| 1 | 2 | R | TONGYU COMMUNICATIONS TYA03U18S | | | 34.2000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2018-11-14 | WRAA439 | LICAN |
| 2018-10-25 | WRAA439 | LIAUA |
| 2017-09-22 | WRAA439 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 3958543 | 2026-08-02 02:43:52 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WRAA439 | ULS 3958543 | 2026-08-02 02:43:52 |
| Status | C | ULS 3958543 | 2026-08-02 02:43:52 |
| Service | MG | ULS 3958543 | 2026-08-02 02:43:52 |
| Grant Date | 2017-09-22 | ULS 3958543 | 2026-08-02 02:43:52 |
| Expiration Date | 2027-09-22 | ULS 3958543 | 2026-08-02 02:43:52 |
| Cancellation Date | 2018-11-13 | ULS 3958543 | 2026-08-02 02:43:52 |