Universal Licensing System
KNNT781
National Grid USA Service Company Inc.
License details
| ULS identifier | 1886914 |
|---|
| Call sign | KNNT781 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2021-03-09 |
|---|
| Expiration | 2031-04-26 |
|---|
| Frequency range | 451.225 - 456.7 MHz (4 frequencies) |
|---|
| Locations | 1 |
|---|
| 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 | FB2 | 451.22500000 | | | 100.000000 | 355.000000 | |
| 1 | 1 | FB2 | 451.70000000 | | | 100.000000 | 355.000000 | |
| 2 | 1 | MO | 456.22500000 | | | 45.000000 | 90.000000 | |
| 2 | 1 | MO | 456.70000000 | | | 45.000000 | 90.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.22500000 | | 11K0F3E |
| 1 | 1 | 451.70000000 | | 11K0F3E |
| 2 | 1 | 456.22500000 | | 11K0F3E |
| 2 | 1 | 456.70000000 | | 11K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | BEACON POLE HILL OFF TOWER HILL ROAD (092900), CUMBERLAND, PROVIDENCE, RI | 41.99536111, -71.44775000 | 160.300 m | GTOWER | 80.100 m structure / 81.100 m overall | N |
| 2 | T | | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 72.000 m | | 12.0000 | | 115.000 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 25 Research Drive, Westborough, MA | WORCESTER | 5083893743 |
| 2 | 642 George Washington Highway, Lincoln, RI | PROVIDENCE | 8778339625 |
License history
| Date | File or call sign | Action |
|---|
| 2021-03-09 | KNNT781 | LIREN |
| 2021-02-01 | KNNT781 | LETRES |
| 2015-04-21 | KNNT781 | LETCNS |
| 2014-07-22 | KNNT781 | LIMOD |
| 2011-03-24 | KNNT781 | AUTHPR |
| 2011-03-05 | KNNT781 | LIREN |
| 2011-03-04 | KNNT781 | ESUAPR |
| 2011-01-31 | KNNT781 | LETRES |
| 2009-01-22 | KNNT781 | LTSAPR |
| 2009-01-22 | KNNT781 | LIAUA |
| 2009-01-21 | KNNT781 | LIAUA |
| 2009-01-21 | KNNT781 | LTSAPR |
| 2005-06-02 | KNNT781 | LIMOD |
| 2005-04-11 | KNNT781 | LETCNS |
| 2004-07-08 | KNNT781 | LIMOD |
| 2004-03-12 | KNNT781 | LTSAPR |
| 2003-10-01 | KNNT781 | LIAUA |
| 2002-01-17 | KNNT781 | AUDOPR |
| 2001-03-15 | KNNT781 | LIREN |
| 2001-01-30 | KNNT781 | LETRES |
| 2000-11-24 | KNNT781 | LICCNV |
| 2000-05-18 | KNNT781 | AUTHPR |
| 1999-12-22 | KNNT781 | LIAUA |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1886914 | 2026-08-02 01:13:09 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KNNT781 | ULS 1886914 | 2026-08-02 01:13:09 |
| Status | A | ULS 1886914 | 2026-08-02 01:13:09 |
| Service | IG | ULS 1886914 | 2026-08-02 01:13:09 |
| Grant Date | 2021-03-09 | ULS 1886914 | 2026-08-02 01:13:09 |
| Expiration Date | 2031-04-26 | ULS 1886914 | 2026-08-02 01:13:09 |