Universal Licensing System
WRD646
CHICAGO PARK DISTRICT
License details
| ULS identifier | 1981899 |
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| Call sign | WRD646 |
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| Radio service | MC |
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| Status | A |
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| Grant date | 2023-09-25 |
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| Expiration | 2033-10-06 |
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| Frequency range | 156.425 - 156.8 MHz (5 frequencies) |
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| Locations | 1 |
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| Representative location | CHICAGO, COOK, IL |
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| Coordinates | 41.7778056, -87.5945000 |
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| Source archive | l_coast.zip |
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| Dataset refreshed | 2026-08-02 02:08:20 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FCL | 156.42500000 | | | 50.000000 | | |
| 1 | 1 | FCL | 156.45000000 | | | 50.000000 | | |
| 1 | 1 | FCL | 156.47500000 | | | 50.000000 | | |
| 1 | 1 | FCL | 156.60000000 | | | 50.000000 | | |
| 1 | 1 | FCL | 156.80000000 | | | 50.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 156.42500000 | | 16K0F3E |
| 1 | 1 | 156.45000000 | | 16K0F3E |
| 1 | 1 | 156.47500000 | | 16K0F3E |
| 1 | 1 | 156.60000000 | | 16K0F3E |
| 1 | 1 | 156.80000000 | | 16K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 6401 S COAST GUARD DR, CHICAGO, COOK, IL | 41.77780556, -87.59450000 | 180.000 m | B | 10.000 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 12.000 m | | | | | |
License history
| Date | File or call sign | Action |
|---|
| 2023-09-25 | WRD646 | LIREN |
| 2013-09-27 | WRD646 | LIREN |
| 2013-07-15 | WRD646 | LETRES |
| 2003-08-29 | WRD646 | LIREN |
| 2003-08-29 | WRD646 | LIAUA |
| 2003-07-14 | WRD646 | LETRES |
| 2001-04-27 | WRD646 | LICCNV |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1981899 | 2026-08-02 02:08:20 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WRD646 | ULS 1981899 | 2026-08-02 02:08:20 |
| Status | A | ULS 1981899 | 2026-08-02 02:08:20 |
| Service | MC | ULS 1981899 | 2026-08-02 02:08:20 |
| Grant Date | 2023-09-25 | ULS 1981899 | 2026-08-02 02:08:20 |
| Expiration Date | 2033-10-06 | ULS 1981899 | 2026-08-02 02:08:20 |