Universal Licensing System
KNNN431
CLARK ENGINEERING CORPORATION
License details
| ULS identifier | 1633105 |
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| Call sign | KNNN431 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1996-03-13 |
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| Expiration | 2001-03-13 |
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| Cancellation | 2001-05-13 |
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| Frequency range | 461.7625 - 464.55 MHz (4 frequencies) |
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| Locations | 2 |
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| Representative location | HENNEPIN, MN |
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| Coordinates | 44.9694167, -93.3224444 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:27:56 |
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Licensee
| Name | CLARK ENGINEERING CORPORATION |
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| Applicant type | C |
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| Location | MINNEAPOLIS, MN |
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| Address | 2815 WAYZATA BLVD, MINNEAPOLIS, MN, 55405 |
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| Phone | 6123744740 |
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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 | MO | 461.76250000 | | | 2.000000 | | |
| 1 | 1 | MO | 463.35000000 | | | 4.000000 | | |
| 1 | 1 | MO | 463.60000000 | | | 4.000000 | | |
| 2 | 1 | MOI | 464.55000000 | | | 2.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 461.76250000 | | 20K0F3E |
| 1 | 1 | 463.35000000 | | 20K0F3E |
| 1 | 1 | 463.60000000 | | 20K0F3E |
| 2 | 1 | 464.55000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | HENNEPIN, MN | 44.96941667, -93.32244444 | | | | |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 2815 WAYZATA BLVD, MINNEAPOLIS, MN | | 6123744740 |
License history
| Date | File or call sign | Action |
|---|
| 2001-05-13 | KNNN431 | LIEXP |
| 2000-12-20 | KNNN431 | LETRES |
| 2000-11-23 | KNNN431 | LICCNV |
| 1996-03-15 | KNNN431 | AUTHPR |
| 1996-03-13 | KNNN431 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1633105 | 2026-08-02 01:27:56 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | KNNN431 | ULS 1633105 | 2026-08-02 01:27:56 |
| Status | E | ULS 1633105 | 2026-08-02 01:27:56 |
| Service | IG | ULS 1633105 | 2026-08-02 01:27:56 |
| Grant Date | 1996-03-13 | ULS 1633105 | 2026-08-02 01:27:56 |
| Expiration Date | 2001-03-13 | ULS 1633105 | 2026-08-02 01:27:56 |
| Cancellation Date | 2001-05-13 | ULS 1633105 | 2026-08-02 01:27:56 |