Universal Licensing System
KOI4
AERONAUTICAL RADIO INC
License details
| ULS identifier | 1968609 |
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| Call sign | KOI4 |
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| Radio service | AF |
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| Status | C |
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| Grant date | 1998-04-16 |
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| Expiration | 2003-05-10 |
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| Cancellation | 2001-11-13 |
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| Frequency range | 130.125 MHz |
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| Locations | 1 |
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| Representative location | GRAND RAPIDS, ITASCA, MN |
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| Coordinates | 47.2166111, -93.5168889 |
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| Source archive | l_coast.zip |
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| Dataset refreshed | 2026-08-02 02:08:24 |
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Licensee
| Name | AERONAUTICAL RADIO INC |
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| Applicant type | C |
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| FRN | 0002152155 |
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| Location | ANNAPOLIS, MD |
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| Address | 2551 RIVA RD, ANNAPOLIS, MD, 21401 |
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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 | FA | 130.12500000 | | | 55.000000 | | LL |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
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| 1 | 1 | 130.12500000 | | 6K00A3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | GRAND RAPIDS ITASCA COUNTY AIRPORT, GRAND RAPIDS, ITASCA, MN | 47.21661111, -93.51688889 | 402.000 m | TOWER | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | 9.000 m | | | | | |
License history
| Date | File or call sign | Action |
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| 2001-11-14 | KOI4 | LICAN |
| 2001-04-27 | KOI4 | LICCNV |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1968609 | 2026-08-02 02:08:24 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | KOI4 | ULS 1968609 | 2026-08-02 02:08:24 |
| Status | C | ULS 1968609 | 2026-08-02 02:08:24 |
| Service | AF | ULS 1968609 | 2026-08-02 02:08:24 |
| Grant Date | 1998-04-16 | ULS 1968609 | 2026-08-02 02:08:24 |
| Expiration Date | 2003-05-10 | ULS 1968609 | 2026-08-02 02:08:24 |
| Cancellation Date | 2001-11-13 | ULS 1968609 | 2026-08-02 02:08:24 |