Universal Licensing System
WRKN589
Surf Air Wireless, LLC
License details
| ULS identifier | 4379101 |
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| Call sign | WRKN589 |
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| Radio service | MG |
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| Status | A |
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| Grant date | 2021-01-23 |
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| Expiration | 2031-01-23 |
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| Frequency range | 10915 MHz |
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| Locations | 2 |
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| Representative location | Amboy, LEE, IL |
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| Coordinates | 41.6294167, -89.3668889 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:44:33 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 10915.00000000 | | | | | |
| 1 | 1 | FXO | 10915.00000000 | | | | | |
| 1 | 1 | FXO | 10915.00000000 | | | | | |
| 1 | 1 | FXO | 10915.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 10915.00000000 | | 79M3D7D |
| 1 | 1 | 10915.00000000 | | 79M3D7D |
| 1 | 1 | 10915.00000000 | | 79M3D7D |
| 1 | 1 | 10915.00000000 | | 79M3D7D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1376 Maytown Road, Amboy, LEE, IL | 41.62941667, -89.36688889 | 270.000 m | SILO | 36.500 m structure / 40.300 m overall | |
| 2 | R | | 41.56991667, -89.17255556 | 265.000 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Ubiquiti Networks Inc. AF-11G35 | | S | 35.0000 | 112.1000 | | |
| 1 | 2 | R | Ubiquiti Networks Inc. AF-11G35 | | | 35.0000 | 0.0000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2021-08-03 | WRKN589 | LITRAN |
| 2021-03-24 | WRKN589 | LIAUA |
| 2021-01-23 | WRKN589 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4379101 | 2026-08-02 02:44:33 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRKN589 | ULS 4379101 | 2026-08-02 02:44:33 |
| Status | A | ULS 4379101 | 2026-08-02 02:44:33 |
| Service | MG | ULS 4379101 | 2026-08-02 02:44:33 |
| Grant Date | 2021-01-23 | ULS 4379101 | 2026-08-02 02:44:33 |
| Expiration Date | 2031-01-23 | ULS 4379101 | 2026-08-02 02:44:33 |