Universal Licensing System
WRKN593
Surf Air Wireless, LLC
License details
| ULS identifier | 4379105 |
|---|
| Call sign | WRKN593 |
|---|
| Radio service | MG |
|---|
| Status | A |
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| Grant date | 2021-01-23 |
|---|
| Expiration | 2031-01-23 |
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| Frequency range | 11405 - 19540 MHz (2 frequencies) |
|---|
| Locations | 1 |
|---|
| Coordinates | 41.5391667, -89.1286111 |
|---|
| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:44:30 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 11405.00000000 | | | | | |
| 1 | 1 | FXO | 11405.00000000 | | | | | |
| 1 | 1 | FXO | 11405.00000000 | | | | | |
| 1 | 1 | FXO | 11405.00000000 | | | | | |
| 1 | 2 | FXO | 19540.00000000 | | | | | |
| 1 | 2 | FXO | 19540.00000000 | | | | | |
| 1 | 2 | FXO | 19540.00000000 | | | | | |
| 1 | 2 | FXO | 19540.00000000 | | | | | |
| 1 | 2 | FXO | 19540.00000000 | | | | | |
| 1 | 2 | FXO | 19540.00000000 | | | | | |
| 1 | 2 | FXO | 19540.00000000 | | | | | |
| 1 | 2 | FXO | 19540.00000000 | | | | | |
| 1 | 2 | FXO | 19540.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 11405.00000000 | | 79M3D7D |
| 1 | 1 | 11405.00000000 | | 79M3D7D |
| 1 | 1 | 11405.00000000 | | 79M3D7D |
| 1 | 1 | 11405.00000000 | | 79M3D7D |
| 1 | 2 | 19540.00000000 | | 80M0D7W |
| 1 | 2 | 19540.00000000 | | 80M0D7W |
| 1 | 2 | 19540.00000000 | | 80M0D7W |
| 1 | 2 | 19540.00000000 | | 80M0D7W |
| 1 | 2 | 19540.00000000 | | 80M0D7W |
| 1 | 2 | 19540.00000000 | | 80M0D7W |
| 1 | 2 | 19540.00000000 | | 80M0D7W |
| 1 | 2 | 19540.00000000 | | 80M0D7W |
| 1 | 2 | 19540.00000000 | | 80M0G7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 35377 2900 Ave N, Mendota, BUREAU, IL | 41.56991667, -89.17255556 | 265.000 m | SILO | 24.500 m structure / 27.400 m overall | |
| 2 | R | | 41.62941667, -89.36688889 | 270.000 m | | | |
| 3 | R | | 41.53916667, -89.12861111 | 249.900 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 | 292.3000 | | |
| 1 | 2 | R | Ubiquiti Networks Inc. AF-11G35 | | | 35.0000 | 0.0000 | | |
| 1 | 3 | R | RADIO WAVES, INC HP2-18 | | | 38.6000 | 0.0000 | | |
| 2 | 1 | T | RADIO WAVES, INC HP2-18 | | V | 38.6000 | 133.0000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2021-08-03 | WRKN593 | LITRAN |
| 2021-03-24 | WRKN593 | LIAUA |
| 2021-01-23 | WRKN593 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4379105 | 2026-08-02 02:44:30 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRKN593 | ULS 4379105 | 2026-08-02 02:44:30 |
| Status | A | ULS 4379105 | 2026-08-02 02:44:30 |
| Service | MG | ULS 4379105 | 2026-08-02 02:44:30 |
| Grant Date | 2021-01-23 | ULS 4379105 | 2026-08-02 02:44:30 |
| Expiration Date | 2031-01-23 | ULS 4379105 | 2026-08-02 02:44:30 |