Universal Licensing System
WRBK552
CalComm 911
License details
| ULS identifier | 4033622 |
|---|
| Call sign | WRBK552 |
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| Radio service | PA |
|---|
| Status | A |
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| Grant date | 2018-04-11 |
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| Expiration | 2028-04-11 |
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| Frequency range | 4940 - 4990 MHz (2 frequencies) |
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| Locations | 2 |
|---|
| Representative location | Calumet Park, COOK, IL |
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| Coordinates | 41.6628056, -87.6606111 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:21:51 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | | 4940.00000000 | 4990.00000000 | | | | |
| 2 | 1 | | 4940.00000000 | 4990.00000000 | | | | |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Calumet Park, COOK, IL | 41.66280556, -87.66061111 | | | | |
| 2 | T | Calumet Park, COOK, IL | 41.66280556, -87.66061111 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | | | | | | | | |
| 1 | 2 | | | | | | | | |
Special conditions
| Type | Condition code |
|---|
| P | 1035 |
| P | 3055 |
| P | 3059 |
License history
| Date | File or call sign | Action |
|---|
| 2018-04-11 | WRBK552 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4033622 | 2026-08-02 01:21:51 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRBK552 | ULS 4033622 | 2026-08-02 01:21:51 |
| Status | A | ULS 4033622 | 2026-08-02 01:21:51 |
| Service | PA | ULS 4033622 | 2026-08-02 01:21:51 |
| Grant Date | 2018-04-11 | ULS 4033622 | 2026-08-02 01:21:51 |
| Expiration Date | 2028-04-11 | ULS 4033622 | 2026-08-02 01:21:51 |