Universal Licensing System
WRDN666
INSTITUTE FOR MARINE MAMMAL STUDIES INC
License details
| ULS identifier | 4169956 |
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| Call sign | WRDN666 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2019-06-12 |
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| Expiration | 2029-06-12 |
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| Frequency range | 451.1875 - 457.8375 MHz (8 frequencies) |
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| Locations | 3 |
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| Representative location | GULFPORT, HARRISON, MS |
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| Coordinates | 30.4204444, -89.0188056 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:22:54 |
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Licensee
| Name | INSTITUTE FOR MARINE MAMMAL STUDIES INC |
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| Applicant type | C |
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| FRN | 0028380699 |
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| Location | GULPORT, MS |
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| Address | 10801 DOLPHIN LANE, GULPORT, MS, 39503 |
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| Phone | 2288969182 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 3 | 1 | MO | 451.18750000 | | | 3.000000 | 3.000000 | |
| 3 | 1 | MO | 451.43750000 | | | 3.000000 | 3.000000 | |
| 3 | 1 | MO | 451.73750000 | | | 3.000000 | 3.000000 | |
| 3 | 1 | MO | 452.08750000 | | | 3.000000 | 3.000000 | |
| 3 | 1 | MO | 452.48750000 | | | 3.000000 | 3.000000 | |
| 3 | 1 | MO | 452.68750000 | | | 3.000000 | 3.000000 | |
| 1 | 1 | FB2 | 452.83750000 | | | 20.000000 | 20.000000 | |
| 2 | 1 | MO | 452.83750000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 457.83750000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 3 | 1 | 451.18750000 | | 7K60FXE |
| 3 | 1 | 451.18750000 | | 11K2F3E |
| 3 | 1 | 451.18750000 | | 7K60FXD |
| 3 | 1 | 451.43750000 | | 7K60FXE |
| 3 | 1 | 451.43750000 | | 11K2F3E |
| 3 | 1 | 451.43750000 | | 7K60FXD |
| 3 | 1 | 451.73750000 | | 7K60FXD |
| 3 | 1 | 451.73750000 | | 11K2F3E |
| 3 | 1 | 451.73750000 | | 7K60FXE |
| 3 | 1 | 452.08750000 | | 7K60FXD |
| 3 | 1 | 452.08750000 | | 11K2F3E |
| 3 | 1 | 452.08750000 | | 7K60FXE |
| 3 | 1 | 452.48750000 | | 7K60FXE |
| 3 | 1 | 452.48750000 | | 11K2F3E |
| 3 | 1 | 452.48750000 | | 7K60FXD |
| 3 | 1 | 452.68750000 | | 7K60FXE |
| 3 | 1 | 452.68750000 | | 7K60FXD |
| 3 | 1 | 452.68750000 | | 11K2F3E |
| 1 | 1 | 452.83750000 | | 11K2F3E |
| 1 | 1 | 452.83750000 | | 7K60FXE |
| 1 | 1 | 452.83750000 | | 7K60FXD |
| 2 | 1 | 452.83750000 | | 11K2F3E |
| 2 | 1 | 452.83750000 | | 7K60FXE |
| 2 | 1 | 452.83750000 | | 7K60FXD |
| 2 | 1 | 457.83750000 | | 7K60FXD |
| 2 | 1 | 457.83750000 | | 11K2F3E |
| 2 | 1 | 457.83750000 | | 7K60FXE |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 10801 DOLPHIN LANE, GULFPORT, HARRISON, MS | 30.42044444, -89.01880556 | 13.000 m | B | 3.600 m structure / 4.500 m overall | |
| 2 | T | | | | | | |
| 3 | T | GULPORT, HARRISON, MS | 30.42011111, -89.01666667 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 4.500 m | | | | 10.000 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 10801 DOLPHIN LANE, GULPORT, MS | HARRISON | 2288969182 |
License history
| Date | File or call sign | Action |
|---|
| 2019-06-12 | WRDN666 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4169956 | 2026-08-02 01:22:54 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDN666 | ULS 4169956 | 2026-08-02 01:22:54 |
| Status | A | ULS 4169956 | 2026-08-02 01:22:54 |
| Service | IG | ULS 4169956 | 2026-08-02 01:22:54 |
| Grant Date | 2019-06-12 | ULS 4169956 | 2026-08-02 01:22:54 |
| Expiration Date | 2029-06-12 | ULS 4169956 | 2026-08-02 01:22:54 |