Universal Licensing System
KNFK603
SUPERIOR SAND & GRAVEL INC
License details
| ULS identifier | 1852562 |
|---|
| Call sign | KNFK603 |
|---|
| Radio service | IG |
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| Status | A |
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| Grant date | 2021-12-02 |
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| Expiration | 2032-02-03 |
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| Frequency range | 151.55 - 159.615 MHz (2 frequencies) |
|---|
| Locations | 2 |
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| Representative location | MI |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:22:33 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 2 | 1 | FB2 | 151.55000000 | | | 110.000000 | 110.000000 | |
| 3 | 1 | MO | 151.55000000 | | | 50.000000 | 50.000000 | |
| 3 | 1 | MO | 159.61500000 | | | 50.000000 | 50.000000 | |
| 4 | 1 | FX1 | 159.61500000 | | | 50.000000 | 5.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 151.55000000 | | 11K2F3E |
| 3 | 1 | 151.55000000 | | 11K2F3E |
| 3 | 1 | 159.61500000 | | 11K2F3E |
| 4 | 1 | 159.61500000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 2 | T | NE COR 9TH AVE & 4TH ST, TRIMOUNTAIN, HOUGHTON, MI | 47.05575000, -88.65680556 | 411.000 m | BANT | 27.000 m structure / 29.000 m overall | N |
| 3 | T | | | | | | N |
| 4 | T | MI | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 2 | T | | 29.000 m | | | | 133.100 | |
| 1 | 3 | | | | | | | | |
| 1 | 4 | | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1028 ETHEL AVE, HANCOCK, MI | HOUGHTON | 9064823130 |
License history
| Date | File or call sign | Action |
|---|
| 2021-12-02 | KNFK603 | LIREN |
| 2021-11-08 | KNFK603 | LETRES |
| 2018-12-15 | KNFK603 | LIAUA |
| 2018-01-01 | KNFK603 | LITRAN |
| 2016-03-31 | KNFK603 | LIMOD |
| 2012-02-02 | KNFK603 | LIREN |
| 2012-02-02 | KNFK603 | LTSAPR |
| 2011-11-07 | KNFK603 | LETRES |
| 2010-02-02 | KNFK603 | LIMOD |
| 2006-06-19 | KNFK603 | LTSAPR |
| 2006-06-17 | KNFK603 | LIAUA |
| 2006-06-05 | KNFK603 | LETCNS |
| 2005-09-06 | KNFK603 | LIMOD |
| 2001-12-01 | KNFK603 | LIREN |
| 2001-11-19 | KNFK603 | AUDOPR |
| 2001-11-13 | KNFK603 | LETRES |
| 2000-11-24 | KNFK603 | LICCNV |
| 1996-12-04 | KNFK603 | AUTHPR |
| 1996-12-04 | KNFK603 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1852562 | 2026-08-02 01:22:33 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KNFK603 | ULS 1852562 | 2026-08-02 01:22:33 |
| Status | A | ULS 1852562 | 2026-08-02 01:22:33 |
| Service | IG | ULS 1852562 | 2026-08-02 01:22:33 |
| Grant Date | 2021-12-02 | ULS 1852562 | 2026-08-02 01:22:33 |
| Expiration Date | 2032-02-03 | ULS 1852562 | 2026-08-02 01:22:33 |