Universal Licensing System
KNIE496
G R MAST CONCRETE INC
License details
| ULS identifier | 1854399 |
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| Call sign | KNIE496 |
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| Radio service | IG |
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| Status | T |
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| Grant date | 1999-04-20 |
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| Expiration | 2004-04-06 |
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| Cancellation | 2002-01-28 |
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| Frequency range | 451.725 - 456.725 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | ATWOOD, DOUGLAS, IL |
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| Coordinates | 39.7914167, -88.4578333 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:27:19 |
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Licensee
| Name | G R MAST CONCRETE INC |
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| Applicant type | C |
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| Location | ARTHUR, IL |
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| Address | ARTHUR, IL, 61911 |
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| Phone | 2175433011 |
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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 | FB4 | 451.72500000 | | | 100.000000 | 380.000000 | |
| 2 | 1 | MO | 451.72500000 | | | 100.000000 | 100.000000 | |
| 2 | 1 | MO | 456.72500000 | | | 100.000000 | 100.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.72500000 | | 20K0F3E |
| 2 | 1 | 451.72500000 | | 20K0F3E |
| 2 | 1 | 456.72500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | E EDGE, ATWOOD, DOUGLAS, IL | 39.79141667, -88.45783333 | 201.000 m | | | 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 | | 55.000 m | | | | | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | E EDGE, ARTHUR, IL | | 2175433011 |
License history
| Date | File or call sign | Action |
|---|
| 2002-01-28 | KNIE496 | LITERM |
| 2001-09-24 | KNIE496 | AUDCAN |
| 2000-11-24 | KNIE496 | LICCNV |
| 1999-04-20 | KNIE496 | LIREN |
| 1999-04-20 | KNIE496 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1854399 | 2026-08-02 01:27:19 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | KNIE496 | ULS 1854399 | 2026-08-02 01:27:19 |
| Status | T | ULS 1854399 | 2026-08-02 01:27:19 |
| Service | IG | ULS 1854399 | 2026-08-02 01:27:19 |
| Grant Date | 1999-04-20 | ULS 1854399 | 2026-08-02 01:27:19 |
| Expiration Date | 2004-04-06 | ULS 1854399 | 2026-08-02 01:27:19 |
| Cancellation Date | 2002-01-28 | ULS 1854399 | 2026-08-02 01:27:19 |