Universal Licensing System
WRDB290
State of Maryland, MIEMSS
License details
| ULS identifier | 4135054 |
|---|
| Call sign | WRDB290 |
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| Radio service | MW |
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| Status | A |
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| Grant date | 2019-03-18 |
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| Expiration | 2029-03-18 |
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| Frequency range | 6123.1 MHz |
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| Locations | 2 |
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| Representative location | Lubsy, CALVERT, MD |
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| Coordinates | 38.3829722, -76.4429167 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:46:36 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 6123.10000000 | | | | | |
| 1 | 1 | FXO | 6123.10000000 | | | | | |
| 1 | 1 | FXO | 6123.10000000 | | | | | |
| 1 | 1 | FXO | 6123.10000000 | | | | | |
| 1 | 1 | FXO | 6123.10000000 | | | | | |
| 1 | 1 | FXO | 6123.10000000 | | | | | |
| 1 | 1 | FXO | 6123.10000000 | | | | | |
| 1 | 1 | FXO | 6123.10000000 | | | | | |
| 1 | 1 | FXO | 6123.10000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 6123.10000000 | | 30M0D7W |
| 1 | 1 | 6123.10000000 | | 30M0D7W |
| 1 | 1 | 6123.10000000 | | 30M0D7W |
| 1 | 1 | 6123.10000000 | | 30M0D7W |
| 1 | 1 | 6123.10000000 | | 30M0D7W |
| 1 | 1 | 6123.10000000 | | 30M0D7W |
| 1 | 1 | 6123.10000000 | | 30M0D7W |
| 1 | 1 | 6123.10000000 | | 30M0D7W |
| 1 | 1 | 6123.10000000 | | 30M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 401 Sweetwater Rd., Lubsy, CALVERT, MD | 38.38297222, -76.44291667 | 34.700 m | LTOWER | 136.900 m structure / 136.900 m overall | |
| 2 | R | | 38.20888889, -76.50611111 | 31.700 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 | 196.0000 | | |
| 1 | 2 | R | ANDREW CORPORATION VHLP6-6WA | | | 39.3000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2021-02-02 | WRDB290 | LIAUA |
| 2020-06-23 | WRDB290 | LETCNS |
| 2019-03-18 | WRDB290 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4135054 | 2026-08-02 02:46:36 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDB290 | ULS 4135054 | 2026-08-02 02:46:36 |
| Status | A | ULS 4135054 | 2026-08-02 02:46:36 |
| Service | MW | ULS 4135054 | 2026-08-02 02:46:36 |
| Grant Date | 2019-03-18 | ULS 4135054 | 2026-08-02 02:46:36 |
| Expiration Date | 2029-03-18 | ULS 4135054 | 2026-08-02 02:46:36 |