Universal Licensing System
WDF81
NATIONAL GRID USA SERVICE COMPANY INC
License details
| ULS identifier | 1898911 |
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| Call sign | WDF81 |
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| Radio service | IG |
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| Status | C |
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| Grant date | 2000-07-24 |
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| Expiration | 2005-10-03 |
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| Cancellation | 2001-01-18 |
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| Frequency range | 37.6 MHz |
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| Locations | 1 |
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| Representative location | PROVIDENCE, PROVIDENCE, RI |
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| Coordinates | 41.7920556, -71.4175556 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:13:12 |
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Licensee
| Name | NATIONAL GRID USA SERVICE COMPANY INC |
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| Applicant type | C |
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| FRN | 0003628997 |
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| Location | NORTHBOROUGH, MA |
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| Address | 55 BEARFOOT RD, NORTHBOROUGH, MA, 01532 |
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| Phone | 6173225000 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 1 | 1 | FXO | 37.60000000 | | | 100.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
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| 1 | 1 | 37.60000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | 280 MELROSE ST, PROVIDENCE, PROVIDENCE, RI | 41.79205556, -71.41755556 | 12.000 m | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | 27.000 m | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | | | 6173225000 |
License history
| Date | File or call sign | Action |
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| 2001-01-19 | WDF81 | LICAN |
| 2000-11-24 | WDF81 | LICCNV |
| 2000-07-24 | WDF81 | LIREN |
| 2000-07-24 | WDF81 | AUTHPR |
| 2000-07-03 | WDF81 | LETRES |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1898911 | 2026-08-02 01:13:12 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WDF81 | ULS 1898911 | 2026-08-02 01:13:12 |
| Status | C | ULS 1898911 | 2026-08-02 01:13:12 |
| Service | IG | ULS 1898911 | 2026-08-02 01:13:12 |
| Grant Date | 2000-07-24 | ULS 1898911 | 2026-08-02 01:13:12 |
| Expiration Date | 2005-10-03 | ULS 1898911 | 2026-08-02 01:13:12 |
| Cancellation Date | 2001-01-18 | ULS 1898911 | 2026-08-02 01:13:12 |