Universal Licensing System
KNCH535
HELENA SAND & GRAVEL
License details
| ULS identifier | 1876772 |
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| Call sign | KNCH535 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1996-12-04 |
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| Expiration | 2002-01-12 |
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| Cancellation | 2002-05-05 |
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| Frequency range | 43.06 MHz |
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| Locations | 2 |
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| Representative location | HELENA, LEWIS AND CLARK, MT |
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| Coordinates | 46.5893889, -111.9847222 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:10:30 |
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Licensee
| Name | HELENA SAND & GRAVEL |
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| Applicant type | C |
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| FRN | 0001628106 |
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| Location | HELENA, MT |
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| Address | HELENA, MT, 59604 |
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| Phone | 4064421185 |
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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 | 43.06000000 | | | 300.000000 | | |
| 2 | 1 | FB | 43.06000000 | | | 300.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 43.06000000 | | 20K0F3E |
| 2 | 1 | 43.06000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | | | | | | |
| 2 | T | .5 MI E JCT HWY 91 & 287, HELENA, LEWIS AND CLARK, MT | 46.58938889, -111.98472222 | 1250.000 m | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | 18.000 m | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | .5 MI E JCT HWY 91 & 287, HELENA, MT | | 4064421185 |
License history
| Date | File or call sign | Action |
|---|
| 2002-05-05 | KNCH535 | LIEXP |
| 2002-02-26 | KNCH535 | AUDOPR |
| 2001-10-15 | KNCH535 | LETRES |
| 2000-11-24 | KNCH535 | LICCNV |
| 1996-12-04 | KNCH535 | LIREN |
| 1996-12-04 | KNCH535 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1876772 | 2026-08-02 01:10:30 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KNCH535 | ULS 1876772 | 2026-08-02 01:10:30 |
| Status | E | ULS 1876772 | 2026-08-02 01:10:30 |
| Service | IG | ULS 1876772 | 2026-08-02 01:10:30 |
| Grant Date | 1996-12-04 | ULS 1876772 | 2026-08-02 01:10:30 |
| Expiration Date | 2002-01-12 | ULS 1876772 | 2026-08-02 01:10:30 |
| Cancellation Date | 2002-05-05 | ULS 1876772 | 2026-08-02 01:10:30 |