Universal Licensing System
KNAX812
National Grid USA Service Company Inc.
License details
| ULS identifier | 1884927 |
|---|
| Call sign | KNAX812 |
|---|
| Radio service | IG |
|---|
| Status | A |
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| Grant date | 2025-05-21 |
|---|
| Expiration | 2035-08-08 |
|---|
| Frequency range | 47.96 - 48.54 MHz (5 frequencies) |
|---|
| Locations | 1 |
|---|
| Representative location | LAWRENCE, ESSEX, MA |
|---|
| Coordinates | 42.7092500, -71.1742222 |
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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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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 47.96000000 | | | 100.000000 | 98.000000 | |
| 1 | 1 | FB | 48.08000000 | | | 100.000000 | 98.000000 | |
| 1 | 1 | FB | 48.30000000 | | | 100.000000 | 98.000000 | |
| 1 | 1 | FB | 48.48000000 | | | 100.000000 | 98.000000 | |
| 1 | 1 | FB | 48.54000000 | | | 100.000000 | 98.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 47.96000000 | | 20K0F3E |
| 1 | 1 | 48.08000000 | | 20K0F3E |
| 1 | 1 | 48.30000000 | | 20K0F3E |
| 1 | 1 | 48.48000000 | | 20K0F3E |
| 1 | 1 | 48.54000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | WEST ST AT TREMONT ST, LAWRENCE, ESSEX, MA | 42.70925000, -71.17422222 | 15.000 m | | 24.000 m structure / 24.000 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 27.000 m | | | | | |
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 |
|---|
| 2025-05-21 | KNAX812 | LIREN |
| 2025-05-12 | KNAX812 | LETRES |
| 2015-06-25 | KNAX812 | LIREN |
| 2015-06-24 | KNAX812 | ESUAPR |
| 2015-05-18 | KNAX812 | LETRES |
| 2009-01-22 | KNAX812 | LIAUA |
| 2009-01-22 | KNAX812 | LTSAPR |
| 2009-01-21 | KNAX812 | LIAUA |
| 2009-01-20 | KNAX812 | ESUAPR |
| 2005-07-07 | KNAX812 | LIREN |
| 2005-05-16 | KNAX812 | LETRES |
| 2005-04-25 | KNAX812 | LETCNS |
| 2004-07-26 | KNAX812 | LIMOD |
| 2002-01-17 | KNAX812 | AUDOPR |
| 2000-11-24 | KNAX812 | LICCNV |
| 2000-05-31 | KNAX812 | LIREN |
| 2000-05-31 | KNAX812 | AUTHPR |
| 2000-05-09 | KNAX812 | LETRES |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1884927 | 2026-08-02 01:13:12 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KNAX812 | ULS 1884927 | 2026-08-02 01:13:12 |
| Status | A | ULS 1884927 | 2026-08-02 01:13:12 |
| Service | IG | ULS 1884927 | 2026-08-02 01:13:12 |
| Grant Date | 2025-05-21 | ULS 1884927 | 2026-08-02 01:13:12 |
| Expiration Date | 2035-08-08 | ULS 1884927 | 2026-08-02 01:13:12 |