Universal Licensing System
KNIJ424
Massachusetts Department of Correction
License details
| ULS identifier | 1214724 |
|---|
| Call sign | KNIJ424 |
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| Radio service | PW |
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| Status | A |
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| Grant date | 2023-11-14 |
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| Expiration | 2034-02-08 |
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| Frequency range | 453.75 - 458.75 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | PLYMOUTH, PLYMOUTH, MA |
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| Coordinates | 41.9320556, -70.5811389 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:12:43 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 453.75000000 | | | 110.000000 | 176.000000 | |
| 2 | 1 | MO | 458.75000000 | | | 110.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 453.75000000 | | 11K2F3E |
| 2 | 1 | 458.75000000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | FIRE TOWER MANOMET STATE FOREST, PLYMOUTH, PLYMOUTH, MA | 41.93205556, -70.58113889 | 79.000 m | | | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 12.000 m | | | | | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | MCI NORFOLK OUTER CONTROL ADMIN BLDG MAIN ST, NORFOLK, MA | NORFOLK | 6177271480 |
License history
| Date | File or call sign | Action |
|---|
| 2023-11-14 | KNIJ424 | LIREN |
| 2023-11-13 | KNIJ424 | LETRES |
| 2021-04-15 | KNIJ424 | LIAUA |
| 2016-11-25 | KNIJ424 | LIMOD |
| 2014-01-14 | KNIJ424 | LIREN |
| 2014-01-13 | KNIJ424 | ESUAPR |
| 2014-01-09 | KNIJ424 | ESURNW |
| 2013-12-10 | KNIJ424 | ESURNW |
| 2013-11-18 | KNIJ424 | LETRES |
| 2013-11-10 | KNIJ424 | ESURNW |
| 2013-05-22 | KNIJ424 | COR |
| 2012-01-11 | KNIJ424 | LIMOD |
| 2012-01-10 | KNIJ424 | ESUAPR |
| 2005-06-03 | KNIJ424 | LIAUA |
| 2005-06-02 | KNIJ424 | ESUAPR |
| 2003-11-17 | KNIJ424 | LETRES |
| 2002-03-28 | KNIJ424 | AUDOPR |
| 2000-10-20 | KNIJ424 | LICCNV |
| 1998-11-20 | KNIJ424 | LIREN |
| 1998-11-20 | KNIJ424 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1214724 | 2026-08-02 01:12:43 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KNIJ424 | ULS 1214724 | 2026-08-02 01:12:43 |
| Status | A | ULS 1214724 | 2026-08-02 01:12:43 |
| Service | PW | ULS 1214724 | 2026-08-02 01:12:43 |
| Grant Date | 2023-11-14 | ULS 1214724 | 2026-08-02 01:12:43 |
| Expiration Date | 2034-02-08 | ULS 1214724 | 2026-08-02 01:12:43 |