Universal Licensing System
KNKJ231
ELECTRONIC ENGINEERING COMPANY
License details
| ULS identifier | 2557 |
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| Call sign | KNKJ231 |
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| Radio service | CD |
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| Status | E |
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| Grant date | 1999-04-19 |
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| Expiration | 2009-04-01 |
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| Cancellation | 2009-05-23 |
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| Frequency range | 454.625 MHz |
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| Locations | 1 |
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| Representative location | MARSHALLTOWN, MARSHALL, IA |
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| Coordinates | 42.0085833, -92.8857500 |
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| Source archive | l_paging.zip |
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| Dataset refreshed | 2026-07-29 23:49:20 |
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Licensee
| Name | ELECTRONIC ENGINEERING COMPANY |
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| Applicant type | C |
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| FRN | 0002588085 |
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| Location | DES MOINES, IA |
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| Address | 1100 KEOSAUQUA WAY, DES MOINES, IA, 50309 |
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| Phone | 0000000000 |
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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 | FBBS | 454.62500000 | | | 128.200000 | 500.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 454.62500000 | | 16K0F3E |
| 1 | 1 | 454.62500000 | | 16K0F1D |
| 1 | 1 | 454.62500000 | | 15K0F2D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | US HWY 30, MARSHALLTOWN, MARSHALL, IA | 42.00858333, -92.88575000 | 303.900 m | TOWER | 76.200 m structure / 82.000 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | 64.900 m | V | 10.0000 | 315.0000 | | |
Control points
| Number | Address | County | Phone |
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| 1 | 810 BROMLEY, MARSHALLTOWN, IA | | |
License history
| Date | File or call sign | Action |
|---|
| 2009-05-23 | KNKJ231 | LIEXP |
| 2009-01-05 | KNKJ231 | LETRES |
| 2004-10-04 | KNKJ231 | AUDOPR |
| 2004-09-28 | KNKJ231 | LETAUS |
| 2000-03-23 | KNKJ231 | COR |
| 1999-11-05 | KNKJ231 | LITRAN |
| 1999-04-19 | KNKJ231 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 2557 | 2026-07-30 04:25:58 | Source Primary |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | KNKJ231 | ULS 2557 | 2026-07-29 23:49:20 |
| Status | E | ULS 2557 | 2026-07-29 23:49:20 |
| Service | CD | ULS 2557 | 2026-07-29 23:49:20 |
| Grant Date | 1999-04-19 | ULS 2557 | 2026-07-29 23:49:20 |
| Expiration Date | 2009-04-01 | ULS 2557 | 2026-07-29 23:49:20 |
| Cancellation Date | 2009-05-23 | ULS 2557 | 2026-07-29 23:49:20 |