Universal Licensing System
WTT4
PATHFINDER AIR RESOURCES
License details
| ULS identifier | 1984893 |
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| Call sign | WTT4 |
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| Radio service | AF |
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| Status | E |
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| Grant date | 2000-12-12 |
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| Expiration | 2005-12-12 |
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| Cancellation | 2006-02-11 |
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| Frequency range | 122.85 MHz |
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| Locations | 1 |
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| Representative location | YPSILANTI, WAYNE, MI |
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| Coordinates | 42.2411389, -83.5302222 |
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| Source archive | l_coast.zip |
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| Dataset refreshed | 2026-08-02 02:08:49 |
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Licensee
| Name | PATHFINDER AIR RESOURCES |
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| Applicant type | C |
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| Location | YPSILANTI, MI |
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| Address | 838 WILL RUN AIRPORT RD, YPSILANTI, MI, 48198 |
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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 | FLU | 122.85000000 | | | 10.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
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| 1 | 1 | 122.85000000 | | 6K00A3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | WILLOW RUN AIRPORT, YPSILANTI, WAYNE, MI | 42.24113889, -83.53022222 | 218.000 m | B | 14.600 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 | | 16.000 m | | | | | |
License history
| Date | File or call sign | Action |
|---|
| 2006-02-11 | WTT4 | LIEXP |
| 2005-09-19 | WTT4 | LETRES |
| 2001-04-27 | WTT4 | LICCNV |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1984893 | 2026-08-02 02:08:49 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WTT4 | ULS 1984893 | 2026-08-02 02:08:49 |
| Status | E | ULS 1984893 | 2026-08-02 02:08:49 |
| Service | AF | ULS 1984893 | 2026-08-02 02:08:49 |
| Grant Date | 2000-12-12 | ULS 1984893 | 2026-08-02 02:08:49 |
| Expiration Date | 2005-12-12 | ULS 1984893 | 2026-08-02 02:08:49 |
| Cancellation Date | 2006-02-11 | ULS 1984893 | 2026-08-02 02:08:49 |