Universal Licensing System
WRKD864
SI CHI01 ABS, LLC
License details
| ULS identifier | 4364749 |
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| Call sign | WRKD864 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2020-12-17 |
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| Expiration | 2030-12-17 |
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| Frequency range | 452.2875 - 457.2875 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | Elk Grove Village, COOK, IL |
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| Coordinates | 42.0068611, -87.9645556 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:22:03 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 452.28750000 | | | 5.000000 | 5.000000 | |
| 2 | 1 | MO | 452.28750000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 457.28750000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 452.28750000 | | 11K2F2D |
| 1 | 1 | 452.28750000 | | 11K2F3E |
| 1 | 1 | 452.28750000 | | 8K30F1E |
| 1 | 1 | 452.28750000 | | 7K60FXE |
| 1 | 1 | 452.28750000 | | 7K60FXD |
| 1 | 1 | 452.28750000 | | 8K30F1D |
| 2 | 1 | 452.28750000 | | 8K30F1E |
| 2 | 1 | 452.28750000 | | 7K60FXE |
| 2 | 1 | 452.28750000 | | 11K2F3E |
| 2 | 1 | 452.28750000 | | 7K60FXD |
| 2 | 1 | 452.28750000 | | 11K2F2D |
| 2 | 1 | 452.28750000 | | 8K30F1D |
| 2 | 1 | 457.28750000 | | 7K60FXE |
| 2 | 1 | 457.28750000 | | 7K60FXD |
| 2 | 1 | 457.28750000 | | 11K2F3E |
| 2 | 1 | 457.28750000 | | 11K2F2D |
| 2 | 1 | 457.28750000 | | 8K30F1D |
| 2 | 1 | 457.28750000 | | 8K30F1E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1301 Touhy Ave, Elk Grove Village, COOK, IL | 42.00686111, -87.96455556 | 207.000 m | B | 5.000 m structure / 5.000 m overall | |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 4.000 m | | | | 1.000 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 1301 Touhy Ave, Elk Grove Village, IL | COOK | 2173410055 |
License history
| Date | File or call sign | Action |
|---|
| 2022-01-31 | WRKD864 | FRATRE |
| 2022-01-26 | WRKD864 | PNLISR |
| 2022-01-26 | WRKD864 | LETTRS |
| 2021-09-21 | WRKD864 | LETCNS |
| 2020-12-17 | WRKD864 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 4364749 | 2026-08-02 01:22:03 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WRKD864 | ULS 4364749 | 2026-08-02 01:22:03 |
| Status | A | ULS 4364749 | 2026-08-02 01:22:03 |
| Service | IG | ULS 4364749 | 2026-08-02 01:22:03 |
| Grant Date | 2020-12-17 | ULS 4364749 | 2026-08-02 01:22:03 |
| Expiration Date | 2030-12-17 | ULS 4364749 | 2026-08-02 01:22:03 |