Universal Licensing System
WQNK781
Aviation Spectrum Resources Inc
License details
| ULS identifier | 3270476 |
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| Call sign | WQNK781 |
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| Radio service | AF |
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| Status | C |
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| Grant date | 2011-03-08 |
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| Expiration | 2021-03-08 |
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| Cancellation | 2019-07-22 |
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| Frequency range | 131.375 MHz |
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| Locations | 1 |
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| Representative location | Chicago, COOK, IL |
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| Coordinates | 41.7859722, -87.7524167 |
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| Source archive | l_coast.zip |
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| Dataset refreshed | 2026-08-23 22:28:59 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FA | 131.37500000 | | | 10.000000 | | LL |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 131.37500000 | | 6K00A3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Chicago Midway International Airport, Chicago, COOK, IL | 41.78597222, -87.75241667 | 189.000 m | BANT | 15.000 m structure / 20.000 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 20.000 m | | | 360.0000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2019-07-23 | WQNK781 | LICAN |
| 2015-02-06 | WQNK781 | LIAUA |
| 2015-02-05 | WQNK781 | LIAUA |
| 2015-02-05 | WQNK781 | ESUAPR |
| 2015-02-04 | WQNK781 | ESUAPR |
| 2011-03-08 | WQNK781 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 3270476 | 2026-08-23 22:28:59 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQNK781 | ULS 3270476 | 2026-08-23 22:28:59 |
| Status | C | ULS 3270476 | 2026-08-23 22:28:59 |
| Service | AF | ULS 3270476 | 2026-08-23 22:28:59 |
| Grant Date | 2011-03-08 | ULS 3270476 | 2026-08-23 22:28:59 |
| Expiration Date | 2021-03-08 | ULS 3270476 | 2026-08-23 22:28:59 |
| Cancellation Date | 2019-07-22 | ULS 3270476 | 2026-08-23 22:28:59 |