Universal Licensing System
KNIW645
MIDDLEFIELD, TOWN OF
License details
| ULS identifier | 1255282 |
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| Call sign | KNIW645 |
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| Radio service | PW |
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| Status | E |
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| Grant date | 2014-11-20 |
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| Expiration | 2025-01-18 |
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| Cancellation | 2025-03-22 |
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| Frequency range | 155.595 - 458.2375 MHz (3 frequencies) |
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| Locations | 2 |
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| Representative location | MIDDLEFIELD, HAMPSHIRE, MA |
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| Coordinates | 42.3492500, -73.0148333 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:09:12 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 155.59500000 | | | 100.000000 | 100.000000 | |
| 2 | 1 | MO | 453.23750000 | | | 2.000000 | 2.000000 | |
| 2 | 1 | MO | 458.23750000 | | | 2.000000 | 2.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 155.59500000 | | 11K2F3E |
| 2 | 1 | 453.23750000 | | 11K2F3E |
| 2 | 1 | 458.23750000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | TOWN HALL SKYLINE TRL, MIDDLEFIELD, HAMPSHIRE, MA | 42.34925000, -73.01483333 | 509.000 m | B | 3.000 m structure / 3.000 m overall | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 9.000 m | | | | | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | TOWN HALL SKYLINE TRL, MIDDLEFIELD, MA | HAMPSHIRE | 4136238847 |
License history
| Date | File or call sign | Action |
|---|
| 2025-03-22 | KNIW645 | LIEXP |
| 2025-01-08 | KNIW645 | ESURNW |
| 2024-12-19 | KNIW645 | ESURNW |
| 2024-11-19 | KNIW645 | ESURNW |
| 2024-10-28 | KNIW645 | LETRES |
| 2014-11-20 | KNIW645 | LIREN |
| 2014-10-27 | KNIW645 | LETRES |
| 2014-10-20 | KNIW645 | ESURNW |
| 2010-12-14 | KNIW645 | LIMOD |
| 2008-10-30 | KNIW645 | LIAUA |
| 2008-10-29 | KNIW645 | ESCAPR |
| 2004-11-04 | KNIW645 | LIREN |
| 2004-10-29 | KNIW645 | LTSAPR |
| 2004-10-25 | KNIW645 | LETRES |
| 2001-12-17 | KNIW645 | AUDOPR |
| 2000-10-20 | KNIW645 | LICCNV |
| 1999-10-05 | KNIW645 | AUTHPR |
| 1999-10-05 | KNIW645 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1255282 | 2026-08-02 01:09:12 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KNIW645 | ULS 1255282 | 2026-08-02 01:09:12 |
| Status | E | ULS 1255282 | 2026-08-02 01:09:12 |
| Service | PW | ULS 1255282 | 2026-08-02 01:09:12 |
| Grant Date | 2014-11-20 | ULS 1255282 | 2026-08-02 01:09:12 |
| Expiration Date | 2025-01-18 | ULS 1255282 | 2026-08-02 01:09:12 |
| Cancellation Date | 2025-03-22 | ULS 1255282 | 2026-08-02 01:09:12 |