Universal Licensing System
WRKX712
FBA Corporation
License details
| ULS identifier | 4395294 |
|---|
| Call sign | WRKX712 |
|---|
| Radio service | YM |
|---|
| Status | A |
|---|
| Grant date | 2021-03-01 |
|---|
| Expiration | 2031-03-01 |
|---|
| Frequency range | 809 - 861.475 MHz (7 frequencies) |
|---|
| Locations | 1 |
|---|
| Representative location | Chicago, COOK, IL |
|---|
| Coordinates | 41.8789167, -87.6361667 |
|---|
| Source archive | l_LMcomm.zip |
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| Dataset refreshed | 2026-08-02 00:43:41 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 2 | 1 | MO | 809.00000000 | 824.00000000 | | 45.000000 | 45.000000 | |
| 4 | 1 | MO | 809.00000000 | 824.00000000 | | 45.000000 | 45.000000 | |
| 6 | 1 | MO | 809.00000000 | 824.00000000 | | 45.000000 | 45.000000 | |
| 1 | 1 | FB2 | 861.07500000 | | | 100.000000 | 210.000000 | |
| 1 | 1 | FB2 | 861.22500000 | | | 100.000000 | 210.000000 | |
| 3 | 1 | FB2 | 861.40000000 | | | 100.000000 | 260.000000 | |
| 1 | 1 | FB2 | 861.46250000 | | | 100.000000 | 210.000000 | |
| 5 | 1 | FB2 | 861.46250000 | | | 100.000000 | 100.000000 | |
| 3 | 1 | FB2 | 861.47500000 | | | 100.000000 | 260.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 809.00000000 | | 7K60FXE |
| 2 | 1 | 809.00000000 | | 4K00F1W |
| 2 | 1 | 809.00000000 | | 7K60FXD |
| 4 | 1 | 809.00000000 | | 4K00F1W |
| 4 | 1 | 809.00000000 | | 7K60FXD |
| 4 | 1 | 809.00000000 | | 7K60FXE |
| 6 | 1 | 809.00000000 | | 7K60FXD |
| 6 | 1 | 809.00000000 | | 4K00F1W |
| 6 | 1 | 809.00000000 | | 7K60FXE |
| 1 | 1 | 861.07500000 | | 4K00F1W |
| 1 | 1 | 861.22500000 | | 4K00F1W |
| 3 | 1 | 861.40000000 | | 4K00F1W |
| 1 | 1 | 861.46250000 | | 7K60FXD |
| 1 | 1 | 861.46250000 | | 4K00F1W |
| 1 | 1 | 861.46250000 | | 7K60FXE |
| 5 | 1 | 861.46250000 | | 7K60FXE |
| 5 | 1 | 861.46250000 | | 7K60FXD |
| 5 | 1 | 861.46250000 | | 4K00F1W |
| 3 | 1 | 861.47500000 | | 4K00F1W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 699 GREEN GARDEN, LOCKPORT, WILL, IL | 41.56583333, -88.06222222 | 198.100 m | GTOWER | 140.200 m structure / 140.200 m overall | |
| 2 | T | | | | | | |
| 3 | T | 233 South Wacker Dr, Chicago, COOK, IL | 41.87891667, -87.63616667 | 181.400 m | BTWR | 437.500 m structure / 527.300 m overall | N |
| 4 | T | | | | | | N |
| 5 | T | 2 MILES SOUTH OF RT.52 IN SEWARD TOWNSHIP, SEWARD TOWNSHIP, KENDALL, IL | 41.49641667, -88.29894444 | 174.000 m | GTOWER | 122.000 m structure / 128.000 m overall | N |
| 6 | T | | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 140.000 m | | | | 141.000 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | 522.000 m | | | | 524.000 | |
| 1 | 4 | T | | | | | | | |
| 1 | 5 | T | | 128.000 m | | | | 119.000 | |
| 1 | 6 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 302 PRAIRIE AVE, LOCKPORT, IL | WILL | 8154746648 |
License history
| Date | File or call sign | Action |
|---|
| 2025-03-15 | WRKX712 | LIASS |
| 2022-11-22 | WRKX712 | LIMOD |
| 2021-09-10 | WRKX712 | LIPASS |
| 2021-03-01 | WRKX712 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4395294 | 2026-08-02 00:43:41 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRKX712 | ULS 4395294 | 2026-08-02 00:43:41 |
| Status | A | ULS 4395294 | 2026-08-02 00:43:41 |
| Service | YM | ULS 4395294 | 2026-08-02 00:43:41 |
| Grant Date | 2021-03-01 | ULS 4395294 | 2026-08-02 00:43:41 |
| Expiration Date | 2031-03-01 | ULS 4395294 | 2026-08-02 00:43:41 |