Universal Licensing System
KB89377
DATA FIRE SYSTEMS DBA FIRE DATA SYSTEMS
License details
| ULS identifier | 1598351 |
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| Call sign | KB89377 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1997-04-09 |
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| Expiration | 2002-02-20 |
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| Cancellation | 2002-05-05 |
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| Frequency range | 461.95 - 462 MHz (2 frequencies) |
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| Locations | 1 |
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| Representative location | MIDDLESEX, MA |
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| Coordinates | 42.6375833, -71.3211667 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:27:34 |
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Licensee
| Name | DATA FIRE SYSTEMS DBA FIRE DATA SYSTEMS |
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| Applicant type | C |
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| Location | NORTH CHELMSFORD, MA |
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| Address | 110 MIDDLESEX ST 7, NORTH CHELMSFORD, MA, 018632031 |
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| Phone | 6174533549 |
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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 | MO | 461.95000000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 462.00000000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 461.95000000 | | 20K0F3E |
| 1 | 1 | 462.00000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | MIDDLESEX, MA | 42.63758333, -71.32116667 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | | | 6174533549 |
License history
| Date | File or call sign | Action |
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| 2002-05-05 | KB89377 | LIEXP |
| 2001-11-26 | KB89377 | LETRES |
| 2001-08-31 | KB89377 | LETAUS |
| 2000-11-22 | KB89377 | LICCNV |
| 1997-04-09 | KB89377 | AUTHPR |
| 1997-04-09 | KB89377 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1598351 | 2026-08-02 01:27:34 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | KB89377 | ULS 1598351 | 2026-08-02 01:27:34 |
| Status | E | ULS 1598351 | 2026-08-02 01:27:34 |
| Service | IG | ULS 1598351 | 2026-08-02 01:27:34 |
| Grant Date | 1997-04-09 | ULS 1598351 | 2026-08-02 01:27:34 |
| Expiration Date | 2002-02-20 | ULS 1598351 | 2026-08-02 01:27:34 |
| Cancellation Date | 2002-05-05 | ULS 1598351 | 2026-08-02 01:27:34 |