Universal Licensing System
WRDP331
One Ring Networks, Inc.
License details
| ULS identifier | 4171285 |
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| Call sign | WRDP331 |
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| Radio service | CF |
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| Status | A |
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| Grant date | 2019-06-18 |
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| Expiration | 2029-06-18 |
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| Frequency range | 17900 MHz |
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| Locations | 2 |
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| Representative location | Pomona, LOS ANGELES, CA |
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| Coordinates | 34.0566389, -117.7881944 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:47:26 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 17900.00000000 | | | | | |
| 1 | 1 | FXO | 17900.00000000 | | | | | |
| 1 | 1 | FXO | 17900.00000000 | | | | | |
| 1 | 1 | FXO | 17900.00000000 | | | | | |
| 1 | 1 | FXO | 17900.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 17900.00000000 | | 50M0D7W |
| 1 | 1 | 17900.00000000 | | 50M0D7W |
| 1 | 1 | 17900.00000000 | | 50M0D7W |
| 1 | 1 | 17900.00000000 | | 50M0D7W |
| 1 | 1 | 17900.00000000 | | 50M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 2158 Pomona Blvd, Pomona, LOS ANGELES, CA | 34.05663889, -117.78819444 | 235.300 m | B | 9.100 m structure / 10.100 m overall | |
| 2 | R | | 34.14250000, -117.72222222 | 665.700 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | TONGYU COMMUNICATIONS TYA09U018S | | H | 42.3000 | 32.6000 | | |
| 1 | 2 | R | TONGYU COMMUNICATIONS TYA03U18S | | | 34.2000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2023-06-30 | WRDP331 | LITRAN |
| 2020-09-22 | WRDP331 | LETCNS |
| 2020-01-30 | WRDP331 | LIAUA |
| 2019-06-18 | WRDP331 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4171285 | 2026-08-02 02:47:26 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDP331 | ULS 4171285 | 2026-08-02 02:47:26 |
| Status | A | ULS 4171285 | 2026-08-02 02:47:26 |
| Service | CF | ULS 4171285 | 2026-08-02 02:47:26 |
| Grant Date | 2019-06-18 | ULS 4171285 | 2026-08-02 02:47:26 |
| Expiration Date | 2029-06-18 | ULS 4171285 | 2026-08-02 02:47:26 |