Universal Licensing System
KNFY457
GRINNELL, CITY OF
License details
| ULS identifier | 1213277 |
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| Call sign | KNFY457 |
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| Radio service | PW |
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| Status | A |
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| Grant date | 2022-06-24 |
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| Expiration | 2032-06-24 |
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| Frequency range | 153.98 - 156.24 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | GRINNELL, POWESHIEK, IA |
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| Coordinates | 41.7447222, -92.7232500 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:11:37 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FX1 | 153.98000000 | | | 20.000000 | | |
| 2 | 1 | MO | 153.98000000 | | | 20.000000 | | |
| 3 | 1 | FB2 | 156.24000000 | | | 20.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 153.98000000 | | 11K0F3E |
| 2 | 1 | 153.98000000 | | 11K0F3E |
| 3 | 1 | 156.24000000 | | 11K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | IA | | | | | |
| 2 | T | | | | | | |
| 3 | T | POLICE STATION, GRINNELL, POWESHIEK, IA | 41.74472222, -92.72325000 | 309.000 m | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | 27.000 m | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | POLICE STATION, GRINNELL, IA | | 5152362650 |
License history
| Date | File or call sign | Action |
|---|
| 2022-06-24 | KNFY457 | LIREN |
| 2015-07-14 | KNFY457 | LIMOD |
| 2012-05-04 | KNFY457 | LTSAPR |
| 2012-05-04 | KNFY457 | LIRMD |
| 2012-05-04 | KNFY457 | LIREN |
| 2012-04-02 | KNFY457 | LETRES |
| 2002-04-23 | KNFY457 | LIREN |
| 2002-04-01 | KNFY457 | LETRES |
| 2001-10-02 | KNFY457 | AUDOPR |
| 2000-10-20 | KNFY457 | LICCNV |
| 1997-04-07 | KNFY457 | LIREN |
| 1997-04-07 | KNFY457 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1213277 | 2026-08-02 01:11:37 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KNFY457 | ULS 1213277 | 2026-08-02 01:11:37 |
| Status | A | ULS 1213277 | 2026-08-02 01:11:37 |
| Service | PW | ULS 1213277 | 2026-08-02 01:11:37 |
| Grant Date | 2022-06-24 | ULS 1213277 | 2026-08-02 01:11:37 |
| Expiration Date | 2032-06-24 | ULS 1213277 | 2026-08-02 01:11:37 |