Universal Licensing System
WFK4
AERONAUTICAL RADIO INC
License details
| ULS identifier | 1975228 |
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| Call sign | WFK4 |
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| Radio service | AF |
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| Status | C |
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| Grant date | 2000-06-08 |
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| Expiration | 2005-06-22 |
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| Cancellation | 2005-02-17 |
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| Frequency range | 131.4 MHz |
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| Locations | 1 |
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| Representative location | TROY, OAKLAND, MI |
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| Coordinates | 42.5500278, -83.1832500 |
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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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| Phone | 4102662132 |
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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 | 131.40000000 | | | 55.000000 | | LL |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
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| 1 | 1 | 131.40000000 | | 6K00A3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | OAKLAND TROY AIRPORT, TROY, OAKLAND, MI | 42.55002778, -83.18325000 | 223.000 m | B | 6.000 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | 8.000 m | | | | | |
License history
| Date | File or call sign | Action |
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| 2005-02-18 | WFK4 | LICAN |
| 2005-02-17 | WFK4 | ESCAPR |
| 2001-04-27 | WFK4 | LICCNV |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1975228 | 2026-08-02 02:08:24 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WFK4 | ULS 1975228 | 2026-08-02 02:08:24 |
| Status | C | ULS 1975228 | 2026-08-02 02:08:24 |
| Service | AF | ULS 1975228 | 2026-08-02 02:08:24 |
| Grant Date | 2000-06-08 | ULS 1975228 | 2026-08-02 02:08:24 |
| Expiration Date | 2005-06-22 | ULS 1975228 | 2026-08-02 02:08:24 |
| Cancellation Date | 2005-02-17 | ULS 1975228 | 2026-08-02 02:08:24 |