Universal Licensing System
WNBX997
NORTH CHELMSFORD WATER DISTRICT
License details
| ULS identifier | 1891091 |
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| Call sign | WNBX997 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2015-03-06 |
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| Expiration | 2025-02-28 |
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| Cancellation | 2025-05-03 |
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| Frequency range | 173.35 MHz |
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| Locations | 2 |
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| Representative location | NORTH CHELMSFORD, MIDDLESEX, MA |
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| Coordinates | 42.6350833, -71.3861667 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:08:50 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 173.35000000 | | | 40.000000 | 150.000000 | |
| 2 | 1 | MO | 173.35000000 | | | 40.000000 | 75.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 173.35000000 | | 11K2F3E |
| 2 | 1 | 173.35000000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | WASHINGTON ST, NORTH CHELMSFORD, MIDDLESEX, MA | 42.63508333, -71.38616667 | 47.000 m | | | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 15.000 m | | | | 2.000 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | WASHINGTON ST, NORTH CHELMSFORD, MA | MIDDLESEX | 6172513931 |
License history
| Date | File or call sign | Action |
|---|
| 2025-05-03 | WNBX997 | LIEXP |
| 2024-12-02 | WNBX997 | LETRES |
| 2015-03-06 | WNBX997 | COR |
| 2015-03-06 | WNBX997 | LIREN |
| 2015-02-27 | WNBX997 | ESUAPR |
| 2015-02-18 | WNBX997 | ESURNW |
| 2015-01-29 | WNBX997 | ESURNW |
| 2014-12-30 | WNBX997 | ESURNW |
| 2014-12-08 | WNBX997 | LETRES |
| 2014-11-30 | WNBX997 | ESURNW |
| 2012-04-03 | WNBX997 | LIMOD |
| 2005-01-04 | WNBX997 | LIREN |
| 2005-01-04 | WNBX997 | LTSAPR |
| 2004-12-06 | WNBX997 | LETRES |
| 2001-10-17 | WNBX997 | AUDOPR |
| 2000-11-24 | WNBX997 | LICCNV |
| 2000-01-14 | WNBX997 | LIREN |
| 2000-01-14 | WNBX997 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1891091 | 2026-08-02 01:08:50 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WNBX997 | ULS 1891091 | 2026-08-02 01:08:50 |
| Status | E | ULS 1891091 | 2026-08-02 01:08:50 |
| Service | IG | ULS 1891091 | 2026-08-02 01:08:50 |
| Grant Date | 2015-03-06 | ULS 1891091 | 2026-08-02 01:08:50 |
| Expiration Date | 2025-02-28 | ULS 1891091 | 2026-08-02 01:08:50 |
| Cancellation Date | 2025-05-03 | ULS 1891091 | 2026-08-02 01:08:50 |