Universal Licensing System
WRKP471
License details
| ULS identifier | 4380505 |
|---|---|
| Call sign | WRKP471 |
| Radio service | YM |
| Status | A |
| Grant date | 2021-01-26 |
| Expiration | 2031-01-26 |
| Frequency range | 809 - 861.7125 MHz (6 frequencies) |
| Locations | 1 |
| Source archive | l_LMcomm.zip |
| Dataset refreshed | 2026-08-02 00:43:39 |
Licensee
| Name | FBA Corporation |
|---|---|
| Applicant type | C |
| FRN | 0006874440 |
| Location | Joliet, IL |
| Address | 710 W Jefferson Street, Joliet, IL, 60435 |
| Phone | 8157401780 |
| [email protected] |
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|---|---|---|---|---|---|---|---|
| 2 | 1 | MO | 809.00000000 | 824.00000000 | 100.000000 | 100.000000 | ||
| 4 | 1 | MO | 809.00000000 | 824.00000000 | 100.000000 | 100.000000 | ||
| 6 | 1 | MO | 809.00000000 | 824.00000000 | 100.000000 | 100.000000 | ||
| 8 | 1 | MO | 809.00000000 | 824.00000000 | 100.000000 | 100.000000 | ||
| 10 | 1 | MO | 809.00000000 | 824.00000000 | 100.000000 | 100.000000 | ||
| 5 | 1 | FB2 | 861.36250000 | 100.000000 | 210.000000 | |||
| 1 | 1 | FB2 | 861.53750000 | 100.000000 | 62.000000 | |||
| 3 | 1 | FB2 | 861.53750000 | 100.000000 | 210.000000 | |||
| 5 | 1 | FB2 | 861.53750000 | 100.000000 | 210.000000 | |||
| 7 | 1 | FB2 | 861.53750000 | 100.000000 | 250.000000 | |||
| 9 | 1 | FB2 | 861.53750000 | 100.000000 | 275.000000 | |||
| 1 | 1 | FB2 | 861.61250000 | 100.000000 | 62.000000 | |||
| 3 | 1 | FB2 | 861.61250000 | 100.000000 | 210.000000 | |||
| 5 | 1 | FB2 | 861.61250000 | 100.000000 | 210.000000 | |||
| 7 | 1 | FB2 | 861.61250000 | 100.000000 | 250.000000 | |||
| 9 | 1 | FB2 | 861.61250000 | 100.000000 | 275.000000 | |||
| 5 | 1 | FB2 | 861.71250000 | 100.000000 | 125.000000 |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|---|---|---|---|
| 2 | 1 | 809.00000000 | 7K60FXE | |
| 2 | 1 | 809.00000000 | 20K0F3E | |
| 2 | 1 | 809.00000000 | 7K60FXD | |
| 4 | 1 | 809.00000000 | 7K60FXD | |
| 4 | 1 | 809.00000000 | 7K60FXE | |
| 4 | 1 | 809.00000000 | 20K0F3E | |
| 6 | 1 | 809.00000000 | 7K60FXE | |
| 6 | 1 | 809.00000000 | 7K60FXD | |
| 6 | 1 | 809.00000000 | 20K0F3E | |
| 8 | 1 | 809.00000000 | 7K60FXD | |
| 8 | 1 | 809.00000000 | 7K60FXE | |
| 8 | 1 | 809.00000000 | 20K0F3E | |
| 10 | 1 | 809.00000000 | 7K60FXE | |
| 10 | 1 | 809.00000000 | 7K60FXD | |
| 10 | 1 | 809.00000000 | 20K0F3E | |
| 5 | 1 | 861.36250000 | 7K60FXE | |
| 5 | 1 | 861.36250000 | 20K0F3E | |
| 5 | 1 | 861.36250000 | 7K60FXD | |
| 1 | 1 | 861.53750000 | 7K60FXE | |
| 1 | 1 | 861.53750000 | 7K60FXD | |
| 1 | 1 | 861.53750000 | 20K0F3E | |
| 3 | 1 | 861.53750000 | 7K60FXE | |
| 3 | 1 | 861.53750000 | 20K0F3E | |
| 3 | 1 | 861.53750000 | 7K60FXD | |
| 5 | 1 | 861.53750000 | 20K0F3E | |
| 5 | 1 | 861.53750000 | 7K60FXD | |
| 5 | 1 | 861.53750000 | 7K60FXE | |
| 7 | 1 | 861.53750000 | 7K60FXD | |
| 7 | 1 | 861.53750000 | 20K0F3E | |
| 7 | 1 | 861.53750000 | 7K60FXE | |
| 9 | 1 | 861.53750000 | 7K60FXE | |
| 9 | 1 | 861.53750000 | 20K0F3E | |
| 9 | 1 | 861.53750000 | 7K60FXD | |
| 1 | 1 | 861.61250000 | 20K0F3E | |
| 1 | 1 | 861.61250000 | 7K60FXE | |
| 1 | 1 | 861.61250000 | 7K60FXD | |
| 3 | 1 | 861.61250000 | 20K0F3E | |
| 3 | 1 | 861.61250000 | 7K60FXE | |
| 3 | 1 | 861.61250000 | 7K60FXD | |
| 5 | 1 | 861.61250000 | 7K60FXE | |
| 5 | 1 | 861.61250000 | 7K60FXD | |
| 5 | 1 | 861.61250000 | 20K0F3E | |
| 7 | 1 | 861.61250000 | 7K60FXD | |
| 7 | 1 | 861.61250000 | 20K0F3E | |
| 7 | 1 | 861.61250000 | 7K60FXE | |
| 9 | 1 | 861.61250000 | 20K0F3E | |
| 9 | 1 | 861.61250000 | 7K60FXE | |
| 9 | 1 | 861.61250000 | 7K60FXD | |
| 5 | 1 | 861.71250000 | 7K60FXD | |
| 5 | 1 | 861.71250000 | 20K0F3E | |
| 5 | 1 | 861.71250000 | 7K60FXE |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|---|---|---|---|---|---|---|
| 1 | T | 233 South Wacker Drive, Chicago, COOK, IL | 41.87891667, -87.63616667 | 181.400 m | BTWR | 437.500 m structure / 527.300 m overall | |
| 2 | T | ||||||
| 3 | T | 689 GREEN GARDEN PL, LOCKPORT, WILL, IL | 41.56583333, -88.06222222 | 192.000 m | GTOWER | 140.200 m structure / 140.200 m overall | N |
| 4 | T | N | |||||
| 5 | T | 25705 FAIRFIELD ROAD, LAKE ZURICH, LAKE, IL | 42.23666667, -88.07138889 | 268.000 m | GTOWER | 152.000 m structure / 152.000 m overall | N |
| 6 | T | N | |||||
| 7 | T | 10 N 564 PEASE RD, PLANTO CENTER, KANE, IL | 42.02000000, -88.48361111 | 321.000 m | GTOWER | 84.000 m structure / 90.000 m overall | N |
| 8 | T | N | |||||
| 9 | T | 400 Army Trail Road, Carol Stream, DUPAGE, IL | 41.93722222, -88.12472222 | 235.000 m | GTOWER | 124.000 m structure / 124.000 m overall | N |
| 10 | T | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | T | 527.300 m | 529.000 | |||||
| 1 | 2 | T | |||||||
| 1 | 3 | T | 140.000 m | 98.900 | |||||
| 1 | 4 | T | |||||||
| 1 | 5 | T | 152.000 m | 186.000 | |||||
| 1 | 6 | T | |||||||
| 1 | 7 | T | 90.000 m | 140.300 | |||||
| 1 | 8 | T | |||||||
| 1 | 9 | T | 124.000 m | 129.000 | |||||
| 1 | 10 | T |
Control points
| Number | Address | County | Phone |
|---|---|---|---|
| 1 | 916 E North St, Lockport, IL | WILL | 8157234981 |
License history
| Date | File or call sign | Action |
|---|---|---|
| 2026-05-19 | WRKP471 | LETCNS |
| 2025-08-18 | WRKP471 | LIMOD |
| 2024-12-30 | WRKP471 | LIASS |
| 2022-10-14 | WRKP471 | LETCNS |
| 2022-06-16 | WRKP471 | LIMOD |
| 2022-01-06 | WRKP471 | LIMOD |
| 2021-09-13 | WRKP471 | LIPASS |
| 2021-01-26 | WRKP471 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|---|---|---|
| ULS | 4380505 | 2026-08-02 00:43:39 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|---|---|---|
| Call Sign | WRKP471 | ULS 4380505 | 2026-08-02 00:43:39 |
| Status | A | ULS 4380505 | 2026-08-02 00:43:39 |
| Service | YM | ULS 4380505 | 2026-08-02 00:43:39 |
| Grant Date | 2021-01-26 | ULS 4380505 | 2026-08-02 00:43:39 |
| Expiration Date | 2031-01-26 | ULS 4380505 | 2026-08-02 00:43:39 |