Universal Licensing System
WRDR855
COLUMBIA ASSOCIATION, INC
License details
| ULS identifier | 4177244 |
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| Call sign | WRDR855 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2019-07-08 |
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| Expiration | 2029-07-08 |
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| Frequency range | 451.875 - 456.875 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | COLUMBIA, HOWARD, MD |
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| Coordinates | 39.2366111, -76.8445000 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:22:57 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 451.87500000 | | | 20.000000 | 20.000000 | |
| 2 | 1 | MO | 451.87500000 | | | 5.000000 | 5.000000 | |
| 2 | 1 | MO | 456.87500000 | | | 5.000000 | 5.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.87500000 | | 11K2F3E |
| 2 | 1 | 451.87500000 | | 11K2F3E |
| 2 | 1 | 456.87500000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 5100 COLUMBIA RD, COLUMBIA, HOWARD, MD | 39.23661111, -76.84450000 | 120.000 m | BANT | 6.100 m structure / 7.100 m overall | |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 7.100 m | | | | 17.300 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 6310 HILLSIDE COURT, COLUMBIA, MD | HOWARD | 4107153000 |
License history
| Date | File or call sign | Action |
|---|
| 2019-07-08 | WRDR855 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 4177244 | 2026-08-02 01:22:57 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDR855 | ULS 4177244 | 2026-08-02 01:22:57 |
| Status | A | ULS 4177244 | 2026-08-02 01:22:57 |
| Service | IG | ULS 4177244 | 2026-08-02 01:22:57 |
| Grant Date | 2019-07-08 | ULS 4177244 | 2026-08-02 01:22:57 |
| Expiration Date | 2029-07-08 | ULS 4177244 | 2026-08-02 01:22:57 |