Universal Licensing System
KNFK497
SYNGNETA SEEDS INC.
License details
| ULS identifier | 1622746 |
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| Call sign | KNFK497 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2001-12-20 |
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| Expiration | 2011-12-20 |
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| Cancellation | 2012-02-25 |
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| Frequency range | 461.025 - 466.025 MHz (5 frequencies) |
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| Locations | 1 |
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| Representative location | LONE TREE, JOHNSON, IA |
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| Coordinates | 41.4953056, -91.3962778 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:24:26 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 461.02500000 | | | 45.000000 | 50.000000 | |
| 3 | 1 | MO | 461.27500000 | | | 30.000000 | 90.000000 | |
| 3 | 1 | MO | 461.97500000 | | | 30.000000 | 90.000000 | |
| 3 | 1 | MO | 464.25000000 | | | 30.000000 | 90.000000 | |
| 2 | 1 | MO | 466.02500000 | | | 30.000000 | 30.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 461.02500000 | | 20K0F3E |
| 3 | 1 | 461.27500000 | | 20K0F3E |
| 3 | 1 | 461.97500000 | | 20K0F3E |
| 3 | 1 | 464.25000000 | | 20K0F3E |
| 2 | 1 | 466.02500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | INT HWY 14 & IA 22 1.75 MI E ON IA 22, LONE TREE, JOHNSON, IA | 41.49530556, -91.39627778 | 213.000 m | | 21.000 m structure / 21.000 m overall | N |
| 2 | T | | | | | | |
| 3 | | 5535 HIGHWAY 22 SE, LONE TREE, JOHNSON, IA | 41.49530556, -91.39627778 | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 21.000 m | | | | 38.000 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | INT HWY 14 IA 22 1.75 MI E ON IA 22, LONE TREE, IA | JOHNSON | 3196295656 |
License history
| Date | File or call sign | Action |
|---|
| 2012-02-25 | KNFK497 | LIEXP |
| 2011-09-26 | KNFK497 | LETRES |
| 2009-09-19 | KNFK497 | LIAUA |
| 2009-09-18 | KNFK497 | ESUAPR |
| 2009-08-25 | KNFK497 | LETCNS |
| 2008-11-26 | KNFK497 | LIMOD |
| 2002-05-17 | KNFK497 | AUDOPR |
| 2002-01-23 | KNFK497 | LIASS |
| 2001-12-20 | KNFK497 | LIREN |
| 2001-12-19 | KNFK497 | LITIN |
| 2001-09-24 | KNFK497 | LETRES |
| 2000-11-23 | KNFK497 | LICCNV |
| 1996-11-07 | KNFK497 | AUTHPR |
| 1996-11-07 | KNFK497 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1622746 | 2026-08-02 01:24:26 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KNFK497 | ULS 1622746 | 2026-08-02 01:24:26 |
| Status | E | ULS 1622746 | 2026-08-02 01:24:26 |
| Service | IG | ULS 1622746 | 2026-08-02 01:24:26 |
| Grant Date | 2001-12-20 | ULS 1622746 | 2026-08-02 01:24:26 |
| Expiration Date | 2011-12-20 | ULS 1622746 | 2026-08-02 01:24:26 |
| Cancellation Date | 2012-02-25 | ULS 1622746 | 2026-08-02 01:24:26 |