Universal Licensing System
WRDI813
Baltimore Chesapeake Bay Outward Bound School Inc.
License details
| ULS identifier | 4158349 |
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| Call sign | WRDI813 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2019-05-08 |
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| Expiration | 2029-05-08 |
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| Frequency range | 451.3125 - 456.5125 MHz (5 frequencies) |
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| Locations | 1 |
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| Representative location | BALTIMORE, BALTIMORE CITY, MD |
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| Coordinates | 39.3052778, -76.7007222 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:22:47 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 451.31250000 | | | 3.000000 | 3.000000 | |
| 1 | 1 | MO | 451.41250000 | | | 3.000000 | 3.000000 | |
| 1 | 1 | MO | 451.51250000 | | | 3.000000 | 3.000000 | |
| 1 | 1 | MO | 456.41250000 | | | 3.000000 | 3.000000 | |
| 1 | 1 | MO | 456.51250000 | | | 3.000000 | 3.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.31250000 | | 11K2F3E |
| 1 | 1 | 451.31250000 | | 11K2F1E |
| 1 | 1 | 451.31250000 | | 7K60FXE |
| 1 | 1 | 451.41250000 | | 7K60FXE |
| 1 | 1 | 451.41250000 | | 11K2F3E |
| 1 | 1 | 451.41250000 | | 11K2F1E |
| 1 | 1 | 451.51250000 | | 11K2F1E |
| 1 | 1 | 451.51250000 | | 11K2F3E |
| 1 | 1 | 451.51250000 | | 7K60FXE |
| 1 | 1 | 456.41250000 | | 7K60FXE |
| 1 | 1 | 456.41250000 | | 11K2F1E |
| 1 | 1 | 456.41250000 | | 11K2F3E |
| 1 | 1 | 456.51250000 | | 7K60FXE |
| 1 | 1 | 456.51250000 | | 11K2F3E |
| 1 | 1 | 456.51250000 | | 11K2F1E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | BALTIMORE, BALTIMORE CITY, MD | 39.30527778, -76.70072222 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1900 EAGLE DR, BALTIMORE, MD | | 4104426037 |
License history
| Date | File or call sign | Action |
|---|
| 2020-02-11 | WRDI813 | LETCNS |
| 2019-05-08 | WRDI813 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4158349 | 2026-08-02 01:22:47 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDI813 | ULS 4158349 | 2026-08-02 01:22:47 |
| Status | A | ULS 4158349 | 2026-08-02 01:22:47 |
| Service | IG | ULS 4158349 | 2026-08-02 01:22:47 |
| Grant Date | 2019-05-08 | ULS 4158349 | 2026-08-02 01:22:47 |
| Expiration Date | 2029-05-08 | ULS 4158349 | 2026-08-02 01:22:47 |