Universal Licensing System
KRK4
Aviation Spectrum Resources Inc
License details
| ULS identifier | 1969716 |
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| Call sign | KRK4 |
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| Radio service | AF |
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| Status | C |
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| Grant date | 2007-03-13 |
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| Expiration | 2017-03-24 |
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| Cancellation | 2012-04-23 |
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| Frequency range | 131.7 MHz |
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| Locations | 1 |
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| Representative location | CLEVELAND, CUYAHOGA, OH |
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| Coordinates | 41.4167222, -81.8498611 |
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| Source archive | l_coast.zip |
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| Dataset refreshed | 2026-08-02 02:08:26 |
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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 | 131.70000000 | | | 55.000000 | | HL |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
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| 1 | 1 | 131.70000000 | | 6K00A3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | HOPKINS INTERNATIONAL AIRPORT, CLEVELAND, CUYAHOGA, OH | 41.41672222, -81.84986111 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 2 | Radio Operations Office, OC-2 3rd Floor 1010 Delta Blvd, Atlanta, GA | FULTON | 4047150160 |
License history
| Date | File or call sign | Action |
|---|
| 2012-04-24 | KRK4 | LICAN |
| 2009-10-17 | KRK4 | LIAUA |
| 2009-10-16 | KRK4 | ESUAPR |
| 2007-03-13 | KRK4 | LIREN |
| 2007-03-01 | KRK4 | AUTHPR |
| 2007-01-01 | KRK4 | LETRES |
| 2006-03-07 | KRK4 | AUTHPR |
| 2006-01-01 | KRK4 | LIASS |
| 2005-07-25 | KRK4 | ESCAPR |
| 2002-02-12 | KRK4 | LIREN |
| 2001-12-31 | KRK4 | LETRES |
| 2001-04-27 | KRK4 | LICCNV |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1969716 | 2026-08-02 02:08:26 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | KRK4 | ULS 1969716 | 2026-08-02 02:08:26 |
| Status | C | ULS 1969716 | 2026-08-02 02:08:26 |
| Service | AF | ULS 1969716 | 2026-08-02 02:08:26 |
| Grant Date | 2007-03-13 | ULS 1969716 | 2026-08-02 02:08:26 |
| Expiration Date | 2017-03-24 | ULS 1969716 | 2026-08-02 02:08:26 |
| Cancellation Date | 2012-04-23 | ULS 1969716 | 2026-08-02 02:08:26 |