Universal Licensing System
KNBY420
GRAND RIVER MUTUAL TELEPHONE CORPORATION
License details
| ULS identifier | 1877530 |
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| Call sign | KNBY420 |
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| Radio service | IG |
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| Status | C |
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| Grant date | 2011-06-02 |
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| Expiration | 2021-07-12 |
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| Cancellation | 2016-11-16 |
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| Frequency range | 451.5 - 456.5 MHz (2 frequencies) |
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| Locations | 6 |
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| Representative location | LATHROP, CLINTON, MO |
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| Coordinates | 39.5488889, -94.3299444 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:10:11 |
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Licensee
| Name | GRAND RIVER MUTUAL TELEPHONE CORPORATION |
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| Applicant type | C |
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| FRN | 0002505519 |
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| Location | PRINCETON, MO |
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| Address | 1001 KENTUCKY STREET, PRINCETON, MO, 64673 |
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| Phone | 6607483231 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 451.50000000 | | | 50.000000 | 130.000000 | |
| 2 | 1 | FB | 451.50000000 | | | 50.000000 | 125.000000 | |
| 3 | 1 | FB | 451.50000000 | | | 50.000000 | 125.000000 | |
| 4 | 1 | FB2 | 451.50000000 | | | 90.000000 | 375.000000 | |
| 4 | 1 | FB | 451.50000000 | | | 90.000000 | 375.000000 | |
| 5 | 1 | FB2 | 451.50000000 | | | 75.000000 | 170.000000 | |
| 6 | 1 | MO | 451.50000000 | | | 100.000000 | 100.000000 | |
| 2 | 1 | FX1 | 456.50000000 | | | 50.000000 | 125.000000 | |
| 3 | 1 | FX1 | 456.50000000 | | | 50.000000 | 125.000000 | |
| 6 | 1 | MO | 456.50000000 | | | 100.000000 | 100.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.50000000 | | 11K2F3E |
| 1 | 1 | 451.50000000 | | 20K0F3E |
| 2 | 1 | 451.50000000 | | 20K0F3E |
| 2 | 1 | 451.50000000 | | 11K2F3E |
| 3 | 1 | 451.50000000 | | 20K0F3E |
| 3 | 1 | 451.50000000 | | 11K2F3E |
| 4 | 1 | 451.50000000 | | 20K0F3E |
| 4 | 1 | 451.50000000 | | 11K2F3E |
| 4 | 1 | 451.50000000 | | 20K0F3E |
| 4 | 1 | 451.50000000 | | 11K2F3E |
| 5 | 1 | 451.50000000 | | 11K2F3E |
| 5 | 1 | 451.50000000 | | 20K0F3E |
| 6 | 1 | 451.50000000 | | 11K2F3E |
| 6 | 1 | 451.50000000 | | 20K0F3E |
| 2 | 1 | 456.50000000 | | 20K0F3E |
| 2 | 1 | 456.50000000 | | 11K2F3E |
| 3 | 1 | 456.50000000 | | 20K0F3E |
| 3 | 1 | 456.50000000 | | 11K2F3E |
| 6 | 1 | 456.50000000 | | 11K2F3E |
| 6 | 1 | 456.50000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 413 EAST STREET, LATHROP, CLINTON, MO | 39.54888889, -94.32994444 | 325.000 m | TOWER | 14.300 m structure / 21.300 m overall | N |
| 2 | T | 600 NW CHURCH ST, LEON, DECATUR, IA | 40.74333333, -93.75161111 | 341.000 m | BANT | 12.000 m structure / 18.000 m overall | N |
| 3 | T | HWY 136 E, BETHANY, HARRISON, MO | 40.26305556, -94.01688889 | 305.000 m | BANT | 13.000 m structure / 18.000 m overall | N |
| 4 | T | 38229 State Highway 46, RAVENWOOD, NODAWAY, MO | 40.37066667, -94.64794444 | 346.500 m | TOWER | 91.400 m structure / 97.500 m overall | N |
| 5 | T | 1/10 MI S MERCER COUNTY RT E, PRINCETON, MERCER, MO | 40.37000000, -93.55500000 | 311.800 m | TOWER | 91.400 m structure / 96.900 m overall | N |
| 6 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 21.300 m | | | | 44.900 | |
| 1 | 2 | T | | 18.000 m | | | | 44.000 | |
| 1 | 3 | T | | 18.000 m | | | | 37.000 | |
| 1 | 4 | T | | 60.900 m | | | | 90.800 | |
| 1 | 5 | T | | 96.900 m | | | | 118.000 | |
| 1 | 6 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1001 KENTUCKY ST, PRINCETON, MO | | 8167483231 |
License history
| Date | File or call sign | Action |
|---|
| 2016-11-16 | KNBY420 | LICAN |
| 2011-06-02 | KNBY420 | LIREN |
| 2011-06-01 | KNBY420 | ESUAPR |
| 2011-04-18 | KNBY420 | LETRES |
| 2009-06-29 | KNBY420 | LIMOD |
| 2003-02-04 | KNBY420 | LIMOD |
| 2001-09-24 | KNBY420 | AUDOPR |
| 2001-06-27 | KNBY420 | LIREN |
| 2001-04-16 | KNBY420 | LETRES |
| 2000-11-24 | KNBY420 | LICCNV |
| 1996-06-04 | KNBY420 | LIREN |
| 1996-06-04 | KNBY420 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1877530 | 2026-08-02 01:10:11 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KNBY420 | ULS 1877530 | 2026-08-02 01:10:11 |
| Status | C | ULS 1877530 | 2026-08-02 01:10:11 |
| Service | IG | ULS 1877530 | 2026-08-02 01:10:11 |
| Grant Date | 2011-06-02 | ULS 1877530 | 2026-08-02 01:10:11 |
| Expiration Date | 2021-07-12 | ULS 1877530 | 2026-08-02 01:10:11 |
| Cancellation Date | 2016-11-16 | ULS 1877530 | 2026-08-02 01:10:11 |