Universal Licensing System
KNFX678
HEMPHILL DRILLING AND BLASTING CO INC
License details
| ULS identifier | 1623580 |
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| Call sign | KNFX678 |
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| Radio service | IG |
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| Status | T |
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| Grant date | 1997-05-14 |
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| Expiration | 2002-07-13 |
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| Cancellation | 2002-01-28 |
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| Frequency range | 464.35 - 469.35 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | WALTHAM, MIDDLESEX, MA |
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| Coordinates | 42.3792500, -71.2667222 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-09 03:08:56 |
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Licensee
| Name | HEMPHILL DRILLING AND BLASTING CO INC |
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| Applicant type | C |
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| Location | WALTHAM, MA |
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| Address | 50 BEAR HILL RD, WALTHAM, MA, 02154 |
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| Phone | 6178905804 |
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Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1623580 | 2026-08-09 03:08:56 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | KNFX678 | ULS 1623580 | 2026-08-09 03:08:56 |
| Status | T | ULS 1623580 | 2026-08-09 03:08:56 |
| Service | IG | ULS 1623580 | 2026-08-09 03:08:56 |
| Grant Date | 1997-05-14 | ULS 1623580 | 2026-08-09 03:08:56 |
| Expiration Date | 2002-07-13 | ULS 1623580 | 2026-08-09 03:08:56 |
| Cancellation Date | 2002-01-28 | ULS 1623580 | 2026-08-09 03:08:56 |