Universal Licensing System
WPYN639
National Grid USA Service Company Inc.
License details
| ULS identifier | 2548391 |
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| Call sign | WPYN639 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2023-07-11 |
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| Expiration | 2033-09-16 |
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| Frequency range | 48.08 - 48.64 MHz (5 frequencies) |
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| Locations | 1 |
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| Representative location | Newburyport, ESSEX, MA |
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| Coordinates | 42.8097222, -70.8652778 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:13:09 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 48.08000000 | | | 50.000000 | 45.000000 | |
| 1 | 1 | FB | 48.30000000 | | | 50.000000 | 45.000000 | |
| 1 | 1 | FB | 48.48000000 | | | 50.000000 | 45.000000 | |
| 1 | 1 | FB | 48.54000000 | | | 50.000000 | 45.000000 | |
| 1 | 1 | FB | 48.64000000 | | | 50.000000 | 45.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 48.08000000 | | 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 | 95 Water Street Substation at Ships Ct, Newburyport, ESSEX, MA | 42.80972222, -70.86527778 | 4.700 m | POLE | 12.000 m structure / 15.000 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | | | 15.000 m | | | 360.0000 | 4.600 | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 55 Bearfoot Road, Northborough, MA | WORCESTER | 5084217000 |
License history
| Date | File or call sign | Action |
|---|
| 2023-07-11 | WPYN639 | LIREN |
| 2023-06-26 | WPYN639 | LETRES |
| 2013-07-23 | WPYN639 | LIREN |
| 2013-07-22 | WPYN639 | ESUAPR |
| 2013-06-24 | WPYN639 | LETRES |
| 2009-01-22 | WPYN639 | LIAUA |
| 2009-01-22 | WPYN639 | LTSAPR |
| 2009-01-21 | WPYN639 | LIAUA |
| 2009-01-20 | WPYN639 | ESUAPR |
| 2003-09-16 | WPYN639 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2548391 | 2026-08-02 01:13:09 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPYN639 | ULS 2548391 | 2026-08-02 01:13:09 |
| Status | A | ULS 2548391 | 2026-08-02 01:13:09 |
| Service | IG | ULS 2548391 | 2026-08-02 01:13:09 |
| Grant Date | 2023-07-11 | ULS 2548391 | 2026-08-02 01:13:09 |
| Expiration Date | 2033-09-16 | ULS 2548391 | 2026-08-02 01:13:09 |