Universal Licensing System
WNSU597
NATIONAL GRID USA SERVICE COMANY INC
License details
| ULS identifier | 1893651 |
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| Call sign | WNSU597 |
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| Radio service | IG |
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| Status | C |
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| Grant date | 2000-07-25 |
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| Expiration | 2005-07-25 |
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| Cancellation | 2003-10-23 |
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| Frequency range | 47.96 - 48.64 MHz (5 frequencies) |
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| Locations | 1 |
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| Representative location | TEWKSBURY, MIDDLESEX, MA |
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| Coordinates | 42.6223056, -71.2436667 |
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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 COMANY 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 | 5088517351 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 47.96000000 | | | 100.000000 | 180.000000 | |
| 1 | 1 | FB | 48.30000000 | | | 100.000000 | 180.000000 | |
| 1 | 1 | FB | 48.48000000 | | | 100.000000 | 180.000000 | |
| 1 | 1 | FB | 48.54000000 | | | 100.000000 | 180.000000 | |
| 1 | 1 | FB | 48.64000000 | | | 100.000000 | 180.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 47.96000000 | | 20K0F3E |
| 1 | 1 | 48.30000000 | | 20K0F3E |
| 1 | 1 | 48.48000000 | | 20K0F3E |
| 1 | 1 | 48.54000000 | | 20K0F3E |
| 1 | 1 | 48.64000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | AT END OF DOCK ST, TEWKSBURY, MIDDLESEX, MA | 42.62230556, -71.24366667 | 30.000 m | | 40.000 m structure / 40.000 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 41.000 m | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | AT END OF DOCK ST, TEWKSBURY, MA | | 5088517351 |
License history
| Date | File or call sign | Action |
|---|
| 2003-10-24 | WNSU597 | LICAN |
| 2002-01-17 | WNSU597 | AUDOPR |
| 2000-11-24 | WNSU597 | LICCNV |
| 2000-05-18 | WNSU597 | AUTHPR |
| 2000-04-27 | WNSU597 | LIAUA |
| 2000-04-25 | WNSU597 | LETRES |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1893651 | 2026-08-02 01:13:12 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WNSU597 | ULS 1893651 | 2026-08-02 01:13:12 |
| Status | C | ULS 1893651 | 2026-08-02 01:13:12 |
| Service | IG | ULS 1893651 | 2026-08-02 01:13:12 |
| Grant Date | 2000-07-25 | ULS 1893651 | 2026-08-02 01:13:12 |
| Expiration Date | 2005-07-25 | ULS 1893651 | 2026-08-02 01:13:12 |
| Cancellation Date | 2003-10-23 | ULS 1893651 | 2026-08-02 01:13:12 |