Universal Licensing System
WRDW877
State of Maryland, MIEMSS
License details
| ULS identifier | 4187441 |
|---|
| Call sign | WRDW877 |
|---|
| Radio service | MW |
|---|
| Status | A |
|---|
| Grant date | 2019-08-08 |
|---|
| Expiration | 2029-08-08 |
|---|
| Frequency range | 10935 - 19615 MHz (3 frequencies) |
|---|
| Locations | 1 |
|---|
| Coordinates | 39.1198333, -77.1794167 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:46:36 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 3 | FXO | 10935.00000000 | | | | | |
| 1 | 3 | FXO | 10935.00000000 | | | | | |
| 1 | 3 | FXO | 10935.00000000 | | | | | |
| 1 | 3 | FXO | 10935.00000000 | | | | | |
| 1 | 3 | FXO | 10935.00000000 | | | | | |
| 1 | 3 | FXO | 10935.00000000 | | | | | |
| 1 | 3 | FXO | 10935.00000000 | | | | | |
| 1 | 3 | FXO | 10935.00000000 | | | | | |
| 1 | 3 | FXO | 10935.00000000 | | | | | |
| 1 | 3 | FXO | 10935.00000000 | | | | | |
| 1 | 1 | FXO | 19585.00000000 | | | | | |
| 1 | 1 | FXO | 19585.00000000 | | | | | |
| 1 | 1 | FXO | 19585.00000000 | | | | | |
| 1 | 1 | FXO | 19585.00000000 | | | | | |
| 1 | 1 | FXO | 19585.00000000 | | | | | |
| 1 | 1 | FXO | 19585.00000000 | | | | | |
| 1 | 1 | FXO | 19585.00000000 | | | | | |
| 1 | 1 | FXO | 19585.00000000 | | | | | |
| 1 | 1 | FXO | 19585.00000000 | | | | | |
| 1 | 1 | FXO | 19585.00000000 | | | | | |
| 1 | 2 | FXO | 19615.00000000 | | | | | |
| 1 | 2 | FXO | 19615.00000000 | | | | | |
| 1 | 2 | FXO | 19615.00000000 | | | | | |
| 1 | 2 | FXO | 19615.00000000 | | | | | |
| 1 | 2 | FXO | 19615.00000000 | | | | | |
| 1 | 2 | FXO | 19615.00000000 | | | | | |
| 1 | 2 | FXO | 19615.00000000 | | | | | |
| 1 | 2 | FXO | 19615.00000000 | | | | | |
| 1 | 2 | FXO | 19615.00000000 | | | | | |
| 1 | 2 | FXO | 19615.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 3 | 10935.00000000 | | 30M0D7W |
| 1 | 3 | 10935.00000000 | | 30M0D7W |
| 1 | 3 | 10935.00000000 | | 30M0D7W |
| 1 | 3 | 10935.00000000 | | 30M0D7W |
| 1 | 3 | 10935.00000000 | | 30M0D7W |
| 1 | 3 | 10935.00000000 | | 30M0D7W |
| 1 | 3 | 10935.00000000 | | 30M0D7W |
| 1 | 3 | 10935.00000000 | | 30M0D7W |
| 1 | 3 | 10935.00000000 | | 30M0D7W |
| 1 | 3 | 10935.00000000 | | 30M0D7W |
| 1 | 1 | 19585.00000000 | | 30M0D7W |
| 1 | 1 | 19585.00000000 | | 30M0D7W |
| 1 | 1 | 19585.00000000 | | 30M0D7W |
| 1 | 1 | 19585.00000000 | | 30M0D7W |
| 1 | 1 | 19585.00000000 | | 30M0D7W |
| 1 | 1 | 19585.00000000 | | 30M0D7W |
| 1 | 1 | 19585.00000000 | | 30M0D7W |
| 1 | 1 | 19585.00000000 | | 30M0D7W |
| 1 | 1 | 19585.00000000 | | 30M0D7W |
| 1 | 1 | 19585.00000000 | | 30M0D7W |
| 1 | 2 | 19615.00000000 | | 30M0D7W |
| 1 | 2 | 19615.00000000 | | 30M0D7W |
| 1 | 2 | 19615.00000000 | | 30M0D7W |
| 1 | 2 | 19615.00000000 | | 30M0D7W |
| 1 | 2 | 19615.00000000 | | 30M0D7W |
| 1 | 2 | 19615.00000000 | | 30M0D7W |
| 1 | 2 | 19615.00000000 | | 30M0D7W |
| 1 | 2 | 19615.00000000 | | 30M0D7W |
| 1 | 2 | 19615.00000000 | | 30M0D7W |
| 1 | 2 | 19615.00000000 | | 30M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 20200 observation Drive, Germantown, MONTGOMERY, MD | 39.18455556, -77.24980556 | 160.000 m | LTOWER | 91.400 m structure / 96.000 m overall | N |
| 2 | R | | 39.17941667, -77.26375000 | 152.100 m | | | |
| 3 | R | | 39.18186111, -77.24238889 | 130.700 m | | | |
| 4 | R | | 39.11983333, -77.17941667 | 169.200 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | RFS SC2-190B | | V | 39.0000 | 244.7000 | | |
| 1 | 2 | R | RFS SC2-190B | | | 39.0000 | 0.0000 | | |
| 1 | 3 | R | RFS SC2-190B | | | 39.0000 | 0.0000 | | |
| 1 | 4 | R | RFS SC3-W100A | | | 38.3000 | 0.0000 | | |
| 2 | 1 | T | RFS SC2-190B | | V | 39.0000 | 115.0000 | | |
| 3 | 1 | T | RFS SB4-W100D | | V | 40.1000 | 139.7000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2021-02-02 | WRDW877 | LIAUA |
| 2020-11-10 | WRDW877 | LETCNS |
| 2019-12-02 | WRDW877 | LIMOD |
| 2019-08-08 | WRDW877 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4187441 | 2026-08-02 02:46:36 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDW877 | ULS 4187441 | 2026-08-02 02:46:36 |
| Status | A | ULS 4187441 | 2026-08-02 02:46:36 |
| Service | MW | ULS 4187441 | 2026-08-02 02:46:36 |
| Grant Date | 2019-08-08 | ULS 4187441 | 2026-08-02 02:46:36 |
| Expiration Date | 2029-08-08 | ULS 4187441 | 2026-08-02 02:46:36 |