Universal Licensing System
WRDZ707
TOWN OF GROTON
License details
| ULS identifier | 4193756 |
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| Call sign | WRDZ707 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2019-08-29 |
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| Expiration | 2029-08-29 |
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| Frequency range | 451.8625 - 456.8625 MHz (2 frequencies) |
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| Locations | 1 |
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| Representative location | GROTON, MIDDLESEX, MA |
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| Coordinates | 42.6138889, -71.5300000 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:23:12 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 451.86250000 | | | 5.000000 | 6.000000 | |
| 1 | 1 | MO | 456.86250000 | | | 5.000000 | 6.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.86250000 | | 11K0F1D |
| 1 | 1 | 456.86250000 | | 11K0F1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | GROTON, MIDDLESEX, MA | 42.61388889, -71.53000000 | | | | |
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 |
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| 1 | 173 MAIN STREET, GROTON, MA | MIDDLESEX | 9784481122 |
License history
| Date | File or call sign | Action |
|---|
| 2020-06-01 | WRDZ707 | LETCNS |
| 2019-11-12 | WRDZ707 | LIMOD |
| 2019-08-29 | WRDZ707 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4193756 | 2026-08-02 01:23:12 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDZ707 | ULS 4193756 | 2026-08-02 01:23:12 |
| Status | A | ULS 4193756 | 2026-08-02 01:23:12 |
| Service | IG | ULS 4193756 | 2026-08-02 01:23:12 |
| Grant Date | 2019-08-29 | ULS 4193756 | 2026-08-02 01:23:12 |
| Expiration Date | 2029-08-29 | ULS 4193756 | 2026-08-02 01:23:12 |