Universal Licensing System
KNJX670
GREENFIELD MUNICIPAL UTILITIES
License details
| ULS identifier | 1886700 |
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| Call sign | KNJX670 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2014-07-14 |
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| Expiration | 2024-09-19 |
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| Cancellation | 2024-12-07 |
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| Frequency range | 452.2 - 457.2 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | GREENFIELD, ADAIR, IA |
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| Coordinates | 41.3013889, -94.4824722 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:10:25 |
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Licensee
| Name | GREENFIELD MUNICIPAL UTILITIES |
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| Applicant type | G |
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| FRN | 0002565109 |
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| Location | GREENFIELD, IA |
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| Address | GREENFIELD, IA, 50849 |
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| Phone | 5157432183 |
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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 | FX2 | 452.20000000 | | | 6.000000 | 23.000000 | |
| 2 | 1 | FXO | 457.20000000 | | | 6.000000 | 23.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 452.20000000 | | 11K0F2D |
| 2 | 1 | 457.20000000 | | 11K0F2D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | .5 MI W OF CORP LIMIT ON KENT ST, GREENFIELD, ADAIR, IA | 41.30138889, -94.48247222 | 383.000 m | | | N |
| 2 | T | 1.25 MI W OF CORP LIMIT ON HWY 92 & .25 MI S, GREENFIELD, ADAIR, IA | 41.29888889, -94.49775000 | 383.000 m | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | 6.000 m | | | | | |
| 1 | 2 | T | | 6.000 m | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | FIRST AND KENT, GREENFIELD, IA | | 5157432183 |
License history
| Date | File or call sign | Action |
|---|
| 2024-12-07 | KNJX670 | LIEXP |
| 2014-07-14 | KNJX670 | LIREN |
| 2014-06-27 | KNJX670 | LTSAPR |
| 2014-06-23 | KNJX670 | LETRES |
| 2004-07-23 | KNJX670 | LIREN |
| 2004-06-28 | KNJX670 | LETRES |
| 2001-09-24 | KNJX670 | AUDOPR |
| 2000-11-24 | KNJX670 | LICCNV |
| 1999-07-12 | KNJX670 | AUTHPR |
| 1999-07-12 | KNJX670 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1886700 | 2026-08-02 01:10:25 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | KNJX670 | ULS 1886700 | 2026-08-02 01:10:25 |
| Status | E | ULS 1886700 | 2026-08-02 01:10:25 |
| Service | IG | ULS 1886700 | 2026-08-02 01:10:25 |
| Grant Date | 2014-07-14 | ULS 1886700 | 2026-08-02 01:10:25 |
| Expiration Date | 2024-09-19 | ULS 1886700 | 2026-08-02 01:10:25 |
| Cancellation Date | 2024-12-07 | ULS 1886700 | 2026-08-02 01:10:25 |