Universal Licensing System
WNBZ899
MIDDLESEX SHERIFF'S OFFICE
License details
| ULS identifier | 1262555 |
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| Call sign | WNBZ899 |
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| Radio service | PW |
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| Status | A |
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| Grant date | 2021-05-05 |
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| Expiration | 2031-05-29 |
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| Frequency range | 45.94 - 46.02 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | BILLERICA, MIDDLESEX, MA |
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| Coordinates | 42.5553611, -71.3025556 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:12:18 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 45.94000000 | | | 110.000000 | 77.000000 | |
| 2 | 1 | MO | 45.94000000 | | | 110.000000 | | |
| 1 | 1 | FB | 46.02000000 | | | 110.000000 | 77.000000 | |
| 2 | 1 | MO | 46.02000000 | | | 110.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 45.94000000 | | 20K0F3E |
| 2 | 1 | 45.94000000 | | 20K0F3E |
| 1 | 1 | 46.02000000 | | 20K0F3E |
| 2 | 1 | 46.02000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | TREBLE COVE RD HOUSE OF CORRECTIONS, BILLERICA, MIDDLESEX, MA | 42.55536111, -71.30255556 | 76.000 m | | 27.000 m structure / 27.000 m overall | N |
| 2 | T | MIDDLESEX, MA | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 30.000 m | | | | | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 46 THORNDIKE ST EAST, CAMBRIDGE, MA | MIDDLESEX | 6174944400 |
License history
| Date | File or call sign | Action |
|---|
| 2021-05-05 | WNBZ899 | LIREN |
| 2021-03-08 | WNBZ899 | LETRES |
| 2011-08-30 | WNBZ899 | LIREN |
| 2011-07-12 | WNBZ899 | ESUAPR |
| 2011-05-19 | WNBZ899 | ESURNW |
| 2011-04-29 | WNBZ899 | ESURNW |
| 2011-03-30 | WNBZ899 | ESURNW |
| 2011-03-07 | WNBZ899 | LETRES |
| 2011-02-28 | WNBZ899 | ESURNW |
| 2011-02-02 | WNBZ899 | LIAUA |
| 2011-02-01 | WNBZ899 | ESUAPR |
| 2006-10-19 | WNBZ899 | LIAUA |
| 2006-10-18 | WNBZ899 | ESCAPR |
| 2002-03-21 | WNBZ899 | AUDOPR |
| 2001-07-03 | WNBZ899 | LIREN |
| 2001-03-05 | WNBZ899 | LETRES |
| 2000-10-20 | WNBZ899 | LICCNV |
| 1996-03-15 | WNBZ899 | AUTHPR |
| 1996-03-14 | WNBZ899 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1262555 | 2026-08-02 01:12:18 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WNBZ899 | ULS 1262555 | 2026-08-02 01:12:18 |
| Status | A | ULS 1262555 | 2026-08-02 01:12:18 |
| Service | PW | ULS 1262555 | 2026-08-02 01:12:18 |
| Grant Date | 2021-05-05 | ULS 1262555 | 2026-08-02 01:12:18 |
| Expiration Date | 2031-05-29 | ULS 1262555 | 2026-08-02 01:12:18 |