Universal Licensing System
WRKW911
SprintCom, Inc.
License details
| ULS identifier | 4393720 |
|---|
| Call sign | WRKW911 |
|---|
| Radio service | CF |
|---|
| Status | C |
|---|
| Grant date | 2021-02-24 |
|---|
| Expiration | 2031-02-24 |
|---|
| Cancellation | 2022-04-01 |
|---|
| Frequency range | 21825 - 21875 MHz (2 frequencies) |
|---|
| Locations | 2 |
|---|
| Representative location | Winnetka, COOK, IL |
|---|
| Coordinates | 42.1152778, -87.7418056 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:48:19 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 21825.00000000 | | | | | |
| 1 | 1 | FXO | 21825.00000000 | | | | | |
| 1 | 1 | FXO | 21825.00000000 | | | | | |
| 1 | 1 | FXO | 21825.00000000 | | | | | |
| 1 | 1 | FXO | 21825.00000000 | | | | | |
| 1 | 1 | FXO | 21825.00000000 | | | | | |
| 1 | 1 | FXO | 21825.00000000 | | | | | |
| 1 | 1 | FXO | 21825.00000000 | | | | | |
| 1 | 1 | FXO | 21825.00000000 | | | | | |
| 1 | 1 | FXO | 21825.00000000 | | | | | |
| 1 | 2 | FXO | 21875.00000000 | | | | | |
| 1 | 2 | FXO | 21875.00000000 | | | | | |
| 1 | 2 | FXO | 21875.00000000 | | | | | |
| 1 | 2 | FXO | 21875.00000000 | | | | | |
| 1 | 2 | FXO | 21875.00000000 | | | | | |
| 1 | 2 | FXO | 21875.00000000 | | | | | |
| 1 | 2 | FXO | 21875.00000000 | | | | | |
| 1 | 2 | FXO | 21875.00000000 | | | | | |
| 1 | 2 | FXO | 21875.00000000 | | | | | |
| 1 | 2 | FXO | 21875.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 21825.00000000 | | 50M0D7W |
| 1 | 1 | 21825.00000000 | | 50M0D7W |
| 1 | 1 | 21825.00000000 | | 50M0D7W |
| 1 | 1 | 21825.00000000 | | 50M0D7W |
| 1 | 1 | 21825.00000000 | | 50M0D7W |
| 1 | 1 | 21825.00000000 | | 50M0D7W |
| 1 | 1 | 21825.00000000 | | 50M0D7W |
| 1 | 1 | 21825.00000000 | | 50M0D7W |
| 1 | 1 | 21825.00000000 | | 50M0D7W |
| 1 | 1 | 21825.00000000 | | 50M0G7W |
| 1 | 2 | 21875.00000000 | | 50M0D7W |
| 1 | 2 | 21875.00000000 | | 50M0D7W |
| 1 | 2 | 21875.00000000 | | 50M0D7W |
| 1 | 2 | 21875.00000000 | | 50M0D7W |
| 1 | 2 | 21875.00000000 | | 50M0D7W |
| 1 | 2 | 21875.00000000 | | 50M0D7W |
| 1 | 2 | 21875.00000000 | | 50M0D7W |
| 1 | 2 | 21875.00000000 | | 50M0D7W |
| 1 | 2 | 21875.00000000 | | 50M0D7W |
| 1 | 2 | 21875.00000000 | | 50M0G7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 874 Greenbay Road, Winnetka, COOK, IL | 42.11527778, -87.74180556 | 201.600 m | B | 19.500 m structure / 21.500 m overall | |
| 2 | R | | 42.11652778, -87.74269444 | 201.200 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | RFS SB1-220CIPN | | H | 35.8000 | 332.1000 | | |
| 1 | 2 | R | RFS SB1-220CIPN | | | 35.8000 | 0.0000 | | |
| 2 | 1 | T | RFS SB1-220CIPN | | V | 35.8000 | 332.1000 | | |
| 2 | 2 | R | RFS SB1-220CIPN | | | 35.8000 | 0.0000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2022-04-05 | WRKW911 | LICAN |
| 2021-10-26 | WRKW911 | LIAUA |
| 2021-04-24 | WRKW911 | LIAUA |
| 2021-02-24 | WRKW911 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4393720 | 2026-08-02 02:48:19 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRKW911 | ULS 4393720 | 2026-08-02 02:48:19 |
| Status | C | ULS 4393720 | 2026-08-02 02:48:19 |
| Service | CF | ULS 4393720 | 2026-08-02 02:48:19 |
| Grant Date | 2021-02-24 | ULS 4393720 | 2026-08-02 02:48:19 |
| Expiration Date | 2031-02-24 | ULS 4393720 | 2026-08-02 02:48:19 |
| Cancellation Date | 2022-04-01 | ULS 4393720 | 2026-08-02 02:48:19 |