Universal Licensing System
WRDK420
Gwinnett County of Public Schools
License details
| ULS identifier | 4161772 |
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| Call sign | WRDK420 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2019-05-18 |
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| Expiration | 2029-05-18 |
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| Frequency range | 463.6125 - 468.6125 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | Duluth, GWINNETT, GA |
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| Coordinates | 33.9424167, -84.1354167 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:11:01 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 463.61250000 | | | 50.000000 | 50.000000 | |
| 2 | 1 | MO | 463.61250000 | | | 5.000000 | 5.000000 | |
| 2 | 1 | MO | 468.61250000 | | | 5.000000 | 5.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 463.61250000 | | 11K2F3E |
| 2 | 1 | 463.61250000 | | 11K2F3E |
| 2 | 1 | 468.61250000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 3921 Club Drive, Duluth, GWINNETT, GA | 33.94241667, -84.13541667 | 276.000 m | BANT | 8.000 m structure / 13.000 m overall | |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 13.000 m | | | | -11.500 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 3921 Club Drive, Duluth, GA | GWINNETT | 7708067900 |
License history
| Date | File or call sign | Action |
|---|
| 2019-05-18 | WRDK420 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4161772 | 2026-08-02 01:11:01 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WRDK420 | ULS 4161772 | 2026-08-02 01:11:01 |
| Status | A | ULS 4161772 | 2026-08-02 01:11:01 |
| Service | IG | ULS 4161772 | 2026-08-02 01:11:01 |
| Grant Date | 2019-05-18 | ULS 4161772 | 2026-08-02 01:11:01 |
| Expiration Date | 2029-05-18 | ULS 4161772 | 2026-08-02 01:11:01 |