Universal Licensing System
WRFE491
Surf Air Wireless, LLC
License details
| ULS identifier | 4250104 |
|---|
| Call sign | WRFE491 |
|---|
| Radio service | MG |
|---|
| Status | A |
|---|
| Grant date | 2020-02-12 |
|---|
| Expiration | 2030-02-12 |
|---|
| Frequency range | 11325 - 11645 MHz (2 frequencies) |
|---|
| Locations | 1 |
|---|
| Coordinates | 42.7628889, -84.9918333 |
|---|
| Source archive | l_micro.zip |
|---|
| 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 | 2 | FXO | 11325.00000000 | | | | | |
| 1 | 2 | FXO | 11325.00000000 | | | | | |
| 1 | 2 | FXO | 11325.00000000 | | | | | |
| 1 | 2 | FXO | 11325.00000000 | | | | | |
| 1 | 2 | FXO | 11325.00000000 | | | | | |
| 1 | 2 | FXO | 11325.00000000 | | | | | |
| 1 | 1 | FXO | 11645.00000000 | | | | | |
| 1 | 1 | FXO | 11645.00000000 | | | | | |
| 1 | 1 | FXO | 11645.00000000 | | | | | |
| 1 | 1 | FXO | 11645.00000000 | | | | | |
| 1 | 1 | FXO | 11645.00000000 | | | | | |
| 1 | 1 | FXO | 11645.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 2 | 11325.00000000 | | 56M0D1W |
| 1 | 2 | 11325.00000000 | | 56M0D1W |
| 1 | 2 | 11325.00000000 | | 56M0D1W |
| 1 | 2 | 11325.00000000 | | 56M0D1W |
| 1 | 2 | 11325.00000000 | | 56M0D1W |
| 1 | 2 | 11325.00000000 | | 56M0D1W |
| 1 | 1 | 11645.00000000 | | 80M0D7W |
| 1 | 1 | 11645.00000000 | | 80M0D7W |
| 1 | 1 | 11645.00000000 | | 80M0D7W |
| 1 | 1 | 11645.00000000 | | 80M0D7W |
| 1 | 1 | 11645.00000000 | | 80M0D7W |
| 1 | 1 | 11645.00000000 | | 80M0D7W |
| 1 | 1 | 11645.00000000 | | 80M0D7W |
| 1 | 1 | 11645.00000000 | | 80M0D7W |
| 1 | 1 | 11645.00000000 | | 80M0D7W |
| 1 | 1 | 11645.00000000 | | 80M0D7W |
| 1 | 1 | 11645.00000000 | | 80M0G7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 10250-10492 Darby Rd, Clarksville, IONIA, MI | 42.83761111, -85.23191667 | 253.500 m | LTOWER | 51.000 m structure / 52.000 m overall | N |
| 2 | R | | 42.96572222, -85.19194444 | 247.000 m | | | |
| 3 | R | | 42.76288889, -84.99183333 | 264.000 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Radio Waves HP2-11 | | V | 34.5000 | 12.9000 | | |
| 1 | 2 | R | Radio Waves HP2-11 | | | 34.5000 | | | |
| 1 | 3 | R | Arkivator AB HAA1199_00 | | | 39.1000 | 0.0000 | | |
| 2 | 1 | T | Arkivator AB HAA1199_00 | | V | 39.1000 | 112.8000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2022-07-11 | WRFE491 | FRATRE |
| 2022-06-08 | WRFE491 | PNLISR |
| 2022-06-08 | WRFE491 | LETTRS |
| 2022-02-01 | WRFE491 | LETCNS |
| 2021-08-03 | WRFE491 | LITRAN |
| 2021-05-11 | WRFE491 | LETCNS |
| 2020-10-29 | WRFE491 | LIMOD |
| 2020-02-12 | WRFE491 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4250104 | 2026-08-02 02:44:30 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRFE491 | ULS 4250104 | 2026-08-02 02:44:30 |
| Status | A | ULS 4250104 | 2026-08-02 02:44:30 |
| Service | MG | ULS 4250104 | 2026-08-02 02:44:30 |
| Grant Date | 2020-02-12 | ULS 4250104 | 2026-08-02 02:44:30 |
| Expiration Date | 2030-02-12 | ULS 4250104 | 2026-08-02 02:44:30 |