Universal Licensing System
WRHZ683
CRRC Sifang America Inc
License details
| ULS identifier | 4314003 |
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| Call sign | WRHZ683 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2020-07-21 |
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| Expiration | 2030-07-21 |
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| Frequency range | 451.5875 - 456.5875 MHz (3 frequencies) |
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| Locations | 1 |
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| Representative location | Chicago, COOK, IL |
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| Coordinates | 41.6498611, -87.5583889 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:23:58 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 451.58750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 456.36250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 456.58750000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.58750000 | | 7K60FXW |
| 1 | 1 | 456.36250000 | | 7K60FXW |
| 1 | 1 | 456.58750000 | | 7K60FXW |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Chicago, COOK, IL | 41.64986111, -87.55838889 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 13535 South Torrence Avenue, Chicago, IL | COOK | 6306016200 |
License history
| Date | File or call sign | Action |
|---|
| 2020-07-21 | WRHZ683 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4314003 | 2026-08-02 01:23:58 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRHZ683 | ULS 4314003 | 2026-08-02 01:23:58 |
| Status | A | ULS 4314003 | 2026-08-02 01:23:58 |
| Service | IG | ULS 4314003 | 2026-08-02 01:23:58 |
| Grant Date | 2020-07-21 | ULS 4314003 | 2026-08-02 01:23:58 |
| Expiration Date | 2030-07-21 | ULS 4314003 | 2026-08-02 01:23:58 |