Universal Licensing System
WROM521
City of Chicago, Public Safety Administration
License details
| ULS identifier | 4519478 |
|---|
| Call sign | WROM521 |
|---|
| Radio service | MW |
|---|
| Status | A |
|---|
| Grant date | 2021-11-04 |
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| Expiration | 2031-11-04 |
|---|
| Frequency range | 17980 MHz |
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| Locations | 2 |
|---|
| Representative location | Chicago, COOK, IL |
|---|
| Coordinates | 41.8747222, -87.7181111 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:46:08 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 17980.00000000 | | | | | |
| 1 | 1 | FXO | 17980.00000000 | | | | | |
| 1 | 1 | FXO | 17980.00000000 | | | | | |
| 1 | 1 | FXO | 17980.00000000 | | | | | |
| 1 | 1 | FXO | 17980.00000000 | | | | | |
| 1 | 1 | FXO | 17980.00000000 | | | | | |
| 1 | 1 | FXO | 17980.00000000 | | | | | |
| 1 | 1 | FXO | 17980.00000000 | | | | | |
| 1 | 1 | FXO | 17980.00000000 | | | | | |
| 1 | 1 | FXO | 17980.00000000 | | | | | |
| 1 | 1 | FXO | 17980.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 17980.00000000 | | 80M0D7W |
| 1 | 1 | 17980.00000000 | | 80M0D7W |
| 1 | 1 | 17980.00000000 | | 80M0D7W |
| 1 | 1 | 17980.00000000 | | 80M0D7W |
| 1 | 1 | 17980.00000000 | | 80M0D7W |
| 1 | 1 | 17980.00000000 | | 80M0D7W |
| 1 | 1 | 17980.00000000 | | 80M0D7W |
| 1 | 1 | 17980.00000000 | | 80M0D7W |
| 1 | 1 | 17980.00000000 | | 80M0D7W |
| 1 | 1 | 17980.00000000 | | 80M0D7W |
| 1 | 1 | 17980.00000000 | | 80M0G7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 3700 W Congress Parkway, Chicago, COOK, IL | 41.87472222, -87.71811111 | 189.000 m | B | 74.000 m structure / 74.000 m overall | |
| 2 | R | | 41.87358333, -87.70550000 | 184.900 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Cambium Networks, LTD N180082D052A | | S | 38.6000 | 96.9000 | | |
| 1 | 2 | R | Cambium Networks, LTD N180082D052A | | | 38.6000 | 0.0000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2021-11-04 | WROM521 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4519478 | 2026-08-02 02:46:08 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WROM521 | ULS 4519478 | 2026-08-02 02:46:08 |
| Status | A | ULS 4519478 | 2026-08-02 02:46:08 |
| Service | MW | ULS 4519478 | 2026-08-02 02:46:08 |
| Grant Date | 2021-11-04 | ULS 4519478 | 2026-08-02 02:46:08 |
| Expiration Date | 2031-11-04 | ULS 4519478 | 2026-08-02 02:46:08 |