Universal Licensing System
WRFN781
One Ring Networks, Inc.
License details
| ULS identifier | 4268940 |
|---|
| Call sign | WRFN781 |
|---|
| Radio service | CF |
|---|
| Status | A |
|---|
| Grant date | 2020-04-03 |
|---|
| Expiration | 2030-04-03 |
|---|
| Frequency range | 21875 - 22025 MHz (2 frequencies) |
|---|
| Locations | 2 |
|---|
| Representative location | Walnut, LOS ANGELES, CA |
|---|
| Coordinates | 34.0024444, -117.8666944 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:47:34 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 21875.00000000 | | | | | |
| 1 | 1 | FXO | 21875.00000000 | | | | | |
| 1 | 1 | FXO | 21875.00000000 | | | | | |
| 1 | 1 | FXO | 21875.00000000 | | | | | |
| 1 | 1 | FXO | 21875.00000000 | | | | | |
| 1 | 1 | FXO | 21875.00000000 | | | | | |
| 1 | 1 | FXO | 21875.00000000 | | | | | |
| 1 | 1 | FXO | 21875.00000000 | | | | | |
| 1 | 1 | FXO | 21875.00000000 | | | | | |
| 1 | 1 | FXO | 21875.00000000 | | | | | |
| 1 | 1 | FXO | 22025.00000000 | | | | | |
| 1 | 1 | FXO | 22025.00000000 | | | | | |
| 1 | 1 | FXO | 22025.00000000 | | | | | |
| 1 | 1 | FXO | 22025.00000000 | | | | | |
| 1 | 1 | FXO | 22025.00000000 | | | | | |
| 1 | 1 | FXO | 22025.00000000 | | | | | |
| 1 | 1 | FXO | 22025.00000000 | | | | | |
| 1 | 1 | FXO | 22025.00000000 | | | | | |
| 1 | 1 | FXO | 22025.00000000 | | | | | |
| 1 | 1 | FXO | 22025.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 21875.00000000 | | 50M0G7W |
| 1 | 1 | 21875.00000000 | | 50M0D7W |
| 1 | 1 | 21875.00000000 | | 50M0D7W |
| 1 | 1 | 21875.00000000 | | 50M0D7W |
| 1 | 1 | 21875.00000000 | | 50M0D7W |
| 1 | 1 | 21875.00000000 | | 50M0D7W |
| 1 | 1 | 21875.00000000 | | 50M0D7W |
| 1 | 1 | 21875.00000000 | | 50M0D7W |
| 1 | 1 | 21875.00000000 | | 50M0D7W |
| 1 | 1 | 21875.00000000 | | 50M0D7W |
| 1 | 1 | 22025.00000000 | | 50M0G7W |
| 1 | 1 | 22025.00000000 | | 50M0D7W |
| 1 | 1 | 22025.00000000 | | 50M0D7W |
| 1 | 1 | 22025.00000000 | | 50M0D7W |
| 1 | 1 | 22025.00000000 | | 50M0D7W |
| 1 | 1 | 22025.00000000 | | 50M0D7W |
| 1 | 1 | 22025.00000000 | | 50M0D7W |
| 1 | 1 | 22025.00000000 | | 50M0D7W |
| 1 | 1 | 22025.00000000 | | 50M0D7W |
| 1 | 1 | 22025.00000000 | | 50M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 20005 Business Parkway, Walnut, LOS ANGELES, CA | 34.00244444, -117.86669444 | 150.800 m | BANT | 57.000 m structure / 60.000 m overall | |
| 2 | R | | 33.97350000, -117.94283333 | 430.000 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | COMMSCOPE VHLP3-23A | | V | 44.8000 | 245.5000 | | |
| 1 | 2 | R | COMMSCOPE VHLP1-23C | | | 35.6000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2023-06-30 | WRFN781 | LITRAN |
| 2021-09-01 | WRFN781 | LETCNS |
| 2020-04-03 | WRFN781 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4268940 | 2026-08-02 02:47:34 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRFN781 | ULS 4268940 | 2026-08-02 02:47:34 |
| Status | A | ULS 4268940 | 2026-08-02 02:47:34 |
| Service | CF | ULS 4268940 | 2026-08-02 02:47:34 |
| Grant Date | 2020-04-03 | ULS 4268940 | 2026-08-02 02:47:34 |
| Expiration Date | 2030-04-03 | ULS 4268940 | 2026-08-02 02:47:34 |