Universal Licensing System
WRDB976
Widmo Holdings LLC
License details
| ULS identifier | 4137353 |
|---|
| Call sign | WRDB976 |
|---|
| Radio service | MG |
|---|
| Status | A |
|---|
| Grant date | 2019-03-25 |
|---|
| Expiration | 2029-03-25 |
|---|
| Frequency range | 21775 - 21825 MHz (2 frequencies) |
|---|
| Locations | 2 |
|---|
| Representative location | Washington, Washington, DC |
|---|
| Coordinates | 38.9120556, -77.0419444 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:45:36 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 4 | FXO | 21775.00000000 | | | | | |
| 1 | 4 | FXO | 21775.00000000 | | | | | |
| 1 | 4 | FXO | 21775.00000000 | | | | | |
| 1 | 4 | FXO | 21775.00000000 | | | | | |
| 1 | 4 | FXO | 21775.00000000 | | | | | |
| 1 | 4 | FXO | 21775.00000000 | | | | | |
| 1 | 4 | FXO | 21775.00000000 | | | | | |
| 1 | 4 | FXO | 21775.00000000 | | | | | |
| 1 | 4 | FXO | 21775.00000000 | | | | | |
| 1 | 4 | FXO | 21775.00000000 | | | | | |
| 1 | 3 | FXO | 21825.00000000 | | | | | |
| 1 | 3 | FXO | 21825.00000000 | | | | | |
| 1 | 3 | FXO | 21825.00000000 | | | | | |
| 1 | 3 | FXO | 21825.00000000 | | | | | |
| 1 | 3 | FXO | 21825.00000000 | | | | | |
| 1 | 3 | FXO | 21825.00000000 | | | | | |
| 1 | 3 | FXO | 21825.00000000 | | | | | |
| 1 | 3 | FXO | 21825.00000000 | | | | | |
| 1 | 3 | FXO | 21825.00000000 | | | | | |
| 1 | 3 | FXO | 21825.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 4 | 21775.00000000 | | 50M0D7W |
| 1 | 4 | 21775.00000000 | | 50M0D7W |
| 1 | 4 | 21775.00000000 | | 50M0D7W |
| 1 | 4 | 21775.00000000 | | 50M0D7W |
| 1 | 4 | 21775.00000000 | | 50M0D7W |
| 1 | 4 | 21775.00000000 | | 50M0D7W |
| 1 | 4 | 21775.00000000 | | 50M0D7W |
| 1 | 4 | 21775.00000000 | | 50M0D7W |
| 1 | 4 | 21775.00000000 | | 50M0D7W |
| 1 | 4 | 21775.00000000 | | 50M0D7W |
| 1 | 3 | 21825.00000000 | | 50M0D7W |
| 1 | 3 | 21825.00000000 | | 50M0D7W |
| 1 | 3 | 21825.00000000 | | 50M0D7W |
| 1 | 3 | 21825.00000000 | | 50M0D7W |
| 1 | 3 | 21825.00000000 | | 50M0D7W |
| 1 | 3 | 21825.00000000 | | 50M0D7W |
| 1 | 3 | 21825.00000000 | | 50M0D7W |
| 1 | 3 | 21825.00000000 | | 50M0D7W |
| 1 | 3 | 21825.00000000 | | 50M0D7W |
| 1 | 3 | 21825.00000000 | | 50M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1616 18TH ST NW, Washington, Washington, DC | 38.91205556, -77.04194444 | 26.600 m | B | 33.500 m structure / 33.500 m overall | |
| 2 | R | | 38.92641667, -77.07350000 | 112.900 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 3 | 1 | T | COMMSCOPE VHLP2-23C | | H | 40.7000 | 300.2000 | | |
| 3 | 2 | R | COMMSCOPE VHLP2-23C | | | 40.7000 | | | |
| 4 | 1 | T | COMMSCOPE VHLP2-23C | | V | 40.7000 | 300.2000 | | |
| 4 | 2 | R | COMMSCOPE VHLP2-23C | | | 40.7000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2026-01-30 | WRDB976 | LITRAN |
| 2023-09-29 | WRDB976 | LIAUA |
| 2023-08-31 | WRDB976 | LIASS |
| 2023-06-08 | WRDB976 | LIASS |
| 2022-03-28 | WRDB976 | LITRAN |
| 2020-06-30 | WRDB976 | LETCNS |
| 2019-11-19 | WRDB976 | LIAUA |
| 2019-03-25 | WRDB976 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4137353 | 2026-08-02 02:45:36 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDB976 | ULS 4137353 | 2026-08-02 02:45:36 |
| Status | A | ULS 4137353 | 2026-08-02 02:45:36 |
| Service | MG | ULS 4137353 | 2026-08-02 02:45:36 |
| Grant Date | 2019-03-25 | ULS 4137353 | 2026-08-02 02:45:36 |
| Expiration Date | 2029-03-25 | ULS 4137353 | 2026-08-02 02:45:36 |