Universal Licensing System
WRFP844
City of Chicago - Office of Public Safety Administration
License details
| ULS identifier | 4270155 |
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| Call sign | WRFP844 |
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| Radio service | MW |
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| Status | A |
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| Grant date | 2020-04-08 |
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| Expiration | 2030-04-08 |
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| Frequency range | 21875 MHz |
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| Locations | 2 |
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| Representative location | Chicago, COOK, IL |
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| Coordinates | 41.9476944, -87.6513056 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:46:01 |
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Licensee
| Name | City of Chicago - Office of Public Safety Administration |
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| Applicant type | G |
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| FRN | 0002833416 |
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| Location | Chicago, IL |
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| Address | 1411 W Madison St, Chicago, IL, 60607 |
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| Phone | 3127469225 |
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| Email | [email protected] |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 21875.00000000 | | | | | |
| 1 | 1 | FXO | 21875.00000000 | | | | | |
| 1 | 1 | FXO | 21875.00000000 | | | | | |
| 1 | 1 | FXO | 21875.00000000 | | | | | |
| 1 | 1 | FXO | 21875.00000000 | | | | | |
| 1 | 1 | FXO | 21875.00000000 | | | | | |
| 1 | 1 | FXO | 21875.00000000 | | | | | |
| 1 | 1 | FXO | 21875.00000000 | | | | | |
| 1 | 1 | FXO | 21875.00000000 | | | | | |
| 1 | 1 | FXO | 21875.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 21875.00000000 | | 50M0D7W |
| 1 | 1 | 21875.00000000 | | 50M0D7W |
| 1 | 1 | 21875.00000000 | | 50M0D7W |
| 1 | 1 | 21875.00000000 | | 50M0D7W |
| 1 | 1 | 21875.00000000 | | 50M0D7W |
| 1 | 1 | 21875.00000000 | | 50M0D7W |
| 1 | 1 | 21875.00000000 | | 50M0D7W |
| 1 | 1 | 21875.00000000 | | 50M0D7W |
| 1 | 1 | 21875.00000000 | | 50M0D7W |
| 1 | 1 | 21875.00000000 | | 50M0G7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 850 W Addison St, Chicago, COOK, IL | 41.94769444, -87.65130556 | 180.900 m | MTOWER | 46.000 m structure / 46.000 m overall | |
| 2 | R | | 41.95344444, -87.66238889 | 183.300 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Cambium Networks, LTD N230082D042 | | V | 40.2000 | 304.8000 | | |
| 1 | 2 | R | Cambium Networks, LTD N230082D042 | | | 40.2000 | 0.0000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2021-03-26 | WRFP844 | LIAUA |
| 2020-04-08 | WRFP844 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4270155 | 2026-08-02 02:46:01 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRFP844 | ULS 4270155 | 2026-08-02 02:46:01 |
| Status | A | ULS 4270155 | 2026-08-02 02:46:01 |
| Service | MW | ULS 4270155 | 2026-08-02 02:46:01 |
| Grant Date | 2020-04-08 | ULS 4270155 | 2026-08-02 02:46:01 |
| Expiration Date | 2030-04-08 | ULS 4270155 | 2026-08-02 02:46:01 |