Universal Licensing System
WRDH581
Aerial Video Systems
License details
| ULS identifier | 4155498 |
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| Call sign | WRDH581 |
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| Radio service | CT |
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| Status | E |
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| Grant date | 2019-04-30 |
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| Expiration | 2019-05-19 |
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| Cancellation | 2019-07-20 |
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| Frequency range | 2390 MHz |
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| Locations | 1 |
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| Representative location | Baltimore, BALTIMORE, MD |
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| Coordinates | 39.3536111, -76.6730556 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:45:29 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 2390.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 2390.00000000 | | 20M0FXW |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Baltimore, BALTIMORE, MD | 39.35361111, -76.67305556 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Link L3421 | | H | 3.0000 | 999.0000 | | |
| 2 | 1 | R | Link L3520 | | | 3.0000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2019-07-20 | WRDH581 | LIEXP |
| 2019-04-30 | WRDH581 | LIISS |
| 2019-04-30 | WRDH581 | COR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4155498 | 2026-08-02 02:45:29 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDH581 | ULS 4155498 | 2026-08-02 02:45:29 |
| Status | E | ULS 4155498 | 2026-08-02 02:45:29 |
| Service | CT | ULS 4155498 | 2026-08-02 02:45:29 |
| Grant Date | 2019-04-30 | ULS 4155498 | 2026-08-02 02:45:29 |
| Expiration Date | 2019-05-19 | ULS 4155498 | 2026-08-02 02:45:29 |
| Cancellation Date | 2019-07-20 | ULS 4155498 | 2026-08-02 02:45:29 |