Universal Licensing System
KNFJ448
CENTRAL LYON COMMUNITY SCHOOL DISTRICT
License details
| ULS identifier | 1274694 |
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| Call sign | KNFJ448 |
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| Radio service | PW |
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| Status | A |
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| Grant date | 2022-01-06 |
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| Expiration | 2032-03-10 |
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| Frequency range | 151.2275 - 159.0525 MHz (3 frequencies) |
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| Locations | 2 |
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| Representative location | ROCK RAPIDS, LYON, IA |
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| Coordinates | 43.4199722, -96.1689444 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:08:58 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 3 | 1 | FB2 | 151.22750000 | | | 100.000000 | 175.000000 | |
| 2 | 1 | MO | 155.29500000 | | | 40.000000 | 40.000000 | |
| 4 | 1 | MO | 159.05250000 | | | 40.000000 | 40.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 3 | 1 | 151.22750000 | | 7K60FXD |
| 3 | 1 | 151.22750000 | | 7K60FXE |
| 3 | 1 | 151.22750000 | | 11K2F3E |
| 2 | 1 | 155.29500000 | | 11K2F3E |
| 4 | 1 | 159.05250000 | | 7K60FXD |
| 4 | 1 | 159.05250000 | | 7K60FXE |
| 4 | 1 | 159.05250000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 2 | T | Rock Rapids, LYON, IA | 43.42497222, -96.17252778 | | | | N |
| 3 | T | 1105 S. STORY, ROCK RAPIDS, LYON, IA | 43.41997222, -96.16894444 | 421.000 m | BPOLE | 17.900 m structure / 24.000 m overall | N |
| 4 | T | | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | 24.000 m | | | | 14.900 | |
| 1 | 4 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1105 S STORY, ROCK RAPIDS, IA | LYON | 7124722664 |
License history
| Date | File or call sign | Action |
|---|
| 2024-11-26 | KNFJ448 | LIMOD |
| 2022-01-06 | KNFJ448 | LIREN |
| 2021-12-13 | KNFJ448 | LETRES |
| 2013-01-03 | KNFJ448 | LIMOD |
| 2012-02-03 | KNFJ448 | LIREN |
| 2012-02-02 | KNFJ448 | ESUAPR |
| 2012-01-10 | KNFJ448 | ESURNW |
| 2011-12-19 | KNFJ448 | LETRES |
| 2011-12-11 | KNFJ448 | ESURNW |
| 2002-03-26 | KNFJ448 | LIREN |
| 2002-02-19 | KNFJ448 | AUDOPR |
| 2001-12-17 | KNFJ448 | LETRES |
| 2000-10-20 | KNFJ448 | LICCNV |
| 1996-12-26 | KNFJ448 | LIREN |
| 1996-12-26 | KNFJ448 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1274694 | 2026-08-02 01:08:58 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KNFJ448 | ULS 1274694 | 2026-08-02 01:08:58 |
| Status | A | ULS 1274694 | 2026-08-02 01:08:58 |
| Service | PW | ULS 1274694 | 2026-08-02 01:08:58 |
| Grant Date | 2022-01-06 | ULS 1274694 | 2026-08-02 01:08:58 |
| Expiration Date | 2032-03-10 | ULS 1274694 | 2026-08-02 01:08:58 |