Universal Licensing System
KNNT777
DES MOINES WATEER WORKS
License details
| ULS identifier | 1775875 |
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| Call sign | KNNT777 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2002-03-28 |
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| Expiration | 2012-02-11 |
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| Cancellation | 2012-04-14 |
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| Frequency range | 451.6875 - 457.2625 MHz (4 frequencies) |
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| Locations | 1 |
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| Representative location | POLK, IA |
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| Coordinates | 41.6408333, -93.7743889 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:18:02 |
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Licensee
| Name | DES MOINES WATEER WORKS |
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| Applicant type | G |
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| FRN | 0002566065 |
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| Location | DES MOINES, IA |
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| Address | 2201 VALLEY DR, DES MOINES, IA, 503211174 |
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| Phone | 5152833794 |
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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 | 451.68750000 | | | 2.000000 | | |
| 1 | 1 | MO | 452.26250000 | | | 2.000000 | | |
| 1 | 1 | MO | 456.68750000 | | | 2.000000 | | |
| 1 | 1 | MO | 457.26250000 | | | 2.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.68750000 | | 11K0F1D |
| 1 | 1 | 452.26250000 | | 11K0F1D |
| 1 | 1 | 456.68750000 | | 11K0F1D |
| 1 | 1 | 457.26250000 | | 11K0F1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | POLK, IA | 41.64083333, -93.77438889 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 4501 114TH ST, URBANDALE, IA | | 5152838755 |
License history
| Date | File or call sign | Action |
|---|
| 2012-04-14 | KNNT777 | LIEXP |
| 2011-11-21 | KNNT777 | LETRES |
| 2002-03-28 | KNNT777 | LIREN |
| 2002-03-01 | KNNT777 | AUDOPR |
| 2001-11-19 | KNNT777 | LETRES |
| 2000-11-23 | KNNT777 | LICCNV |
| 1998-04-23 | KNNT777 | LIMOD |
| 1998-04-23 | KNNT777 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1775875 | 2026-08-02 01:18:02 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KNNT777 | ULS 1775875 | 2026-08-02 01:18:02 |
| Status | E | ULS 1775875 | 2026-08-02 01:18:02 |
| Service | IG | ULS 1775875 | 2026-08-02 01:18:02 |
| Grant Date | 2002-03-28 | ULS 1775875 | 2026-08-02 01:18:02 |
| Expiration Date | 2012-02-11 | ULS 1775875 | 2026-08-02 01:18:02 |
| Cancellation Date | 2012-04-14 | ULS 1775875 | 2026-08-02 01:18:02 |