Universal Licensing System
WRDB474
State of Maryland, MIEMSS
License details
| ULS identifier | 4135592 |
|---|
| Call sign | WRDB474 |
|---|
| Radio service | MW |
|---|
| Status | A |
|---|
| Grant date | 2019-03-19 |
|---|
| Expiration | 2029-03-19 |
|---|
| Frequency range | 6197.24 MHz |
|---|
| Locations | 2 |
|---|
| Representative location | Huntington, CALVERT, MD |
|---|
| Coordinates | 38.6589167, -76.6086111 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:46:22 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 6197.24000000 | | | | | |
| 1 | 1 | FXO | 6197.24000000 | | | | | |
| 1 | 1 | FXO | 6197.24000000 | | | | | |
| 1 | 1 | FXO | 6197.24000000 | | | | | |
| 1 | 1 | FXO | 6197.24000000 | | | | | |
| 1 | 1 | FXO | 6197.24000000 | | | | | |
| 1 | 1 | FXO | 6197.24000000 | | | | | |
| 1 | 1 | FXO | 6197.24000000 | | | | | |
| 1 | 1 | FXO | 6197.24000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 6197.24000000 | | 30M0D7W |
| 1 | 1 | 6197.24000000 | | 30M0D7W |
| 1 | 1 | 6197.24000000 | | 30M0D7W |
| 1 | 1 | 6197.24000000 | | 30M0D7W |
| 1 | 1 | 6197.24000000 | | 30M0D7W |
| 1 | 1 | 6197.24000000 | | 30M0D7W |
| 1 | 1 | 6197.24000000 | | 30M0D7W |
| 1 | 1 | 6197.24000000 | | 30M0D7W |
| 1 | 1 | 6197.24000000 | | 30M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 6250 Solomons Island Rd., Huntington, CALVERT, MD | 38.65891667, -76.60861111 | 40.200 m | LTOWER | 100.500 m structure / 106.000 m overall | |
| 2 | R | | 38.63580556, -76.75536111 | 61.800 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | ANDREW CORPORATION VHLP6-6WA | | H | 39.3000 | 258.7000 | | |
| 1 | 2 | R | ANDREW CORPORATION VHLP6-6WA | | | 39.3000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2021-02-02 | WRDB474 | LIAUA |
| 2020-06-23 | WRDB474 | LETCNS |
| 2019-03-19 | WRDB474 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4135592 | 2026-08-02 02:46:22 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDB474 | ULS 4135592 | 2026-08-02 02:46:22 |
| Status | A | ULS 4135592 | 2026-08-02 02:46:22 |
| Service | MW | ULS 4135592 | 2026-08-02 02:46:22 |
| Grant Date | 2019-03-19 | ULS 4135592 | 2026-08-02 02:46:22 |
| Expiration Date | 2029-03-19 | ULS 4135592 | 2026-08-02 02:46:22 |