Universal Licensing System
WPKX494
FIRE DISTRICT SIX
License details
| ULS identifier | 1193698 |
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| Call sign | WPKX494 |
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| Radio service | PW |
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| Status | E |
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| Grant date | 1997-09-04 |
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| Expiration | 2002-09-04 |
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| Cancellation | 2003-01-12 |
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| Frequency range | 483.6375 - 486.6375 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | CHELMSFORD, MIDDLESEX, MA |
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| Coordinates | 42.6139722, -71.3750556 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:26:34 |
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Licensee
| Name | FIRE DISTRICT SIX |
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| Applicant type | G |
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| Location | CHELMSFORD, MA |
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| Address | 7 NORTH RD, CHELMSFORD, MA, 01824 |
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| Phone | 5082505267 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 1 | 1 | FB2 | 483.63750000 | | | 50.000000 | 40.000000 | |
| 2 | 1 | MO | 483.63750000 | | | 40.000000 | 40.000000 | |
| 2 | 1 | MO | 486.63750000 | | | 40.000000 | 40.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 483.63750000 | | 20K0F3E |
| 2 | 1 | 483.63750000 | | 20K0F3E |
| 2 | 1 | 486.63750000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | WATER TANK AT LOCKE RD, CHELMSFORD, MIDDLESEX, MA | 42.61397222, -71.37505556 | 98.000 m | TANK | 30.000 m structure / 30.000 m overall | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | 30.000 m | | | | 68.000 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 230 NORTH RD, CHELMSFORD, MA | | 5082505267 |
License history
| Date | File or call sign | Action |
|---|
| 2003-01-12 | WPKX494 | LIEXP |
| 2002-06-10 | WPKX494 | LETRES |
| 2001-09-14 | WPKX494 | AUDOPR |
| 2000-10-20 | WPKX494 | LICCNV |
| 2000-10-20 | WPKX494 | COR |
| 1998-08-07 | WPKX494 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1193698 | 2026-08-02 01:26:34 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPKX494 | ULS 1193698 | 2026-08-02 01:26:34 |
| Status | E | ULS 1193698 | 2026-08-02 01:26:34 |
| Service | PW | ULS 1193698 | 2026-08-02 01:26:34 |
| Grant Date | 1997-09-04 | ULS 1193698 | 2026-08-02 01:26:34 |
| Expiration Date | 2002-09-04 | ULS 1193698 | 2026-08-02 01:26:34 |
| Cancellation Date | 2003-01-12 | ULS 1193698 | 2026-08-02 01:26:34 |