Universal Licensing System
WQXB447
Skyriver Communications
License details
| ULS identifier | 3772379 |
|---|
| Call sign | WQXB447 |
|---|
| Radio service | MG |
|---|
| Status | E |
|---|
| Grant date | 2016-01-20 |
|---|
| Expiration | 2026-01-20 |
|---|
| Cancellation | 2026-03-28 |
|---|
| Frequency range | 22025 - 23375 MHz (4 frequencies) |
|---|
| Locations | 3 |
|---|
| Representative location | Rancho Cucamonga, SAN BERNARDINO, CA |
|---|
| Coordinates | 34.0638333, -117.5352222 |
|---|
| Source archive | l_micro.zip |
|---|
| 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 |
|---|
| 1 | 5 | FXO | 22025.00000000 | | | | | |
| 1 | 5 | FXO | 22025.00000000 | | | | | |
| 1 | 5 | FXO | 22025.00000000 | | | | | |
| 1 | 5 | FXO | 22025.00000000 | | | | | |
| 1 | 5 | FXO | 22025.00000000 | | | | | |
| 1 | 5 | FXO | 22025.00000000 | | | | | |
| 1 | 5 | FXO | 22025.00000000 | | | | | |
| 1 | 5 | FXO | 22025.00000000 | | | | | |
| 1 | 1 | FXO | 22275.00000000 | | | | | |
| 1 | 2 | FXO | 22375.00000000 | | | | | |
| 1 | 4 | FXO | 22375.00000000 | | | | | |
| 1 | 3 | FXO | 23375.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 5 | 22025.00000000 | | 50M0D7W |
| 1 | 5 | 22025.00000000 | | 50M0D7W |
| 1 | 5 | 22025.00000000 | | 50M0D7W |
| 1 | 5 | 22025.00000000 | | 50M0D7W |
| 1 | 5 | 22025.00000000 | | 50M0D7W |
| 1 | 5 | 22025.00000000 | | 50M0D7W |
| 1 | 5 | 22025.00000000 | | 50M0D7W |
| 1 | 5 | 22025.00000000 | | 50M0D7W |
| 1 | 1 | 22275.00000000 | | 50M0D7W |
| 1 | 2 | 22375.00000000 | | 50M0D7W |
| 1 | 4 | 22375.00000000 | | 50M0D7W |
| 1 | 3 | 23375.00000000 | | 50M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 8656 Haven Ave, Rancho Cucamonga, SAN BERNARDINO, CA | 34.06383333, -117.53522222 | 299.300 m | B | 30.500 m structure / 30.500 m overall | N |
| 2 | R | | 34.07052778, -117.53175000 | 309.400 m | | | |
| 3 | R | | 34.06988889, -117.57072222 | 302.700 m | | | |
| 4 | R | | 34.06902778, -117.52702778 | 305.900 m | | | |
| 5 | R | | 34.08488889, -117.54561111 | 328.600 m | | | |
| 6 | R | | 34.07397222, -117.54058333 | 312.100 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | TONGYU COMMUNICATIONS TYA06U023S | | V | 40.5000 | 23.3000 | | |
| 1 | 2 | R | TONGYU COMMUNICATIONS TY-TYA03U023S | | | 35.3000 | | | |
| 1 | 3 | R | TONGYU COMMUNICATIONS TY-TYA03U023S | | | 35.3000 | | | |
| 1 | 4 | R | TONGYU COMMUNICATIONS TY-TYA03U023S | | | 35.3000 | | | |
| 1 | 5 | R | TONGYU COMMUNICATIONS TY-TYA03U023S | | | 35.3000 | | | |
| 1 | 6 | R | RFS SB1-220C | | | 35.8000 | | | |
| 2 | 1 | T | TONGYU COMMUNICATIONS TY-TYA03U023S | | H | 35.3000 | 281.6000 | | |
| 3 | 1 | T | TONGYU COMMUNICATIONS TY-TYA03U023S | | V | 35.3000 | 52.7000 | | |
| 4 | 1 | T | TONGYU COMMUNICATIONS TY-TYA03U023S | | V | 35.3000 | 337.7000 | | |
| 5 | 1 | T | RFS SB1-220C | | V | 35.8000 | 336.2000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2026-03-28 | WQXB447 | LIEXP |
| 2025-11-24 | WQXB447 | LETRES |
| 2023-06-30 | WQXB447 | LITRAN |
| 2020-01-30 | WQXB447 | LIAUA |
| 2019-04-09 | WQXB447 | LETCNS |
| 2018-10-25 | WQXB447 | LIAUA |
| 2018-07-20 | WQXB447 | LITRAN |
| 2017-12-27 | WQXB447 | LIMOD |
| 2017-04-18 | WQXB447 | LETCNS |
| 2016-10-03 | WQXB447 | LIMOD |
| 2016-04-29 | WQXB447 | LIMOD |
| 2016-01-20 | WQXB447 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 3772379 | 2026-08-02 02:43:52 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQXB447 | ULS 3772379 | 2026-08-02 02:43:52 |
| Status | E | ULS 3772379 | 2026-08-02 02:43:52 |
| Service | MG | ULS 3772379 | 2026-08-02 02:43:52 |
| Grant Date | 2016-01-20 | ULS 3772379 | 2026-08-02 02:43:52 |
| Expiration Date | 2026-01-20 | ULS 3772379 | 2026-08-02 02:43:52 |
| Cancellation Date | 2026-03-28 | ULS 3772379 | 2026-08-02 02:43:52 |