Universal Licensing System
WRMT941
City of Chicago, Dept. of Water
License details
| ULS identifier | 4455727 |
|---|
| Call sign | WRMT941 |
|---|
| Radio service | MW |
|---|
| Status | A |
|---|
| Grant date | 2021-06-03 |
|---|
| Expiration | 2031-06-03 |
|---|
| Frequency range | 17900 MHz |
|---|
| Locations | 2 |
|---|
| Representative location | Chicago, COOK, IL |
|---|
| Coordinates | 41.8952778, -87.6033889 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:43:47 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 17820.00000000 | | | | | |
| 1 | 1 | FXO | 17820.00000000 | | | | | |
| 1 | 1 | FXO | 17820.00000000 | | | | | |
| 1 | 1 | FXO | 17820.00000000 | | | | | |
| 1 | 1 | FXO | 17820.00000000 | | | | | |
| 1 | 1 | FXO | 17820.00000000 | | | | | |
| 1 | 1 | FXO | 17820.00000000 | | | | | |
| 1 | 1 | FXO | 17820.00000000 | | | | | |
| 1 | 1 | FXO | 17820.00000000 | | | | | |
| 1 | 1 | FXO | 17820.00000000 | | | | | |
| 1 | 2 | FXO | 17900.00000000 | | | | | |
| 1 | 2 | FXO | 17900.00000000 | | | | | |
| 1 | 2 | FXO | 17900.00000000 | | | | | |
| 1 | 2 | FXO | 17900.00000000 | | | | | |
| 1 | 2 | FXO | 17900.00000000 | | | | | |
| 1 | 2 | FXO | 17900.00000000 | | | | | |
| 1 | 2 | FXO | 17900.00000000 | | | | | |
| 1 | 2 | FXO | 17900.00000000 | | | | | |
| 1 | 2 | FXO | 17900.00000000 | | | | | |
| 1 | 2 | FXO | 17900.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 17820.00000000 | | 80M0D7W |
| 1 | 1 | 17820.00000000 | | 80M0D7W |
| 1 | 1 | 17820.00000000 | | 80M0D7W |
| 1 | 1 | 17820.00000000 | | 80M0D7W |
| 1 | 1 | 17820.00000000 | | 80M0D7W |
| 1 | 1 | 17820.00000000 | | 80M0D7W |
| 1 | 1 | 17820.00000000 | | 80M0D7W |
| 1 | 1 | 17820.00000000 | | 80M0D7W |
| 1 | 1 | 17820.00000000 | | 80M0D7W |
| 1 | 1 | 17820.00000000 | | 80M0D7W |
| 1 | 2 | 17900.00000000 | | 80M0D7W |
| 1 | 2 | 17900.00000000 | | 80M0D7W |
| 1 | 2 | 17900.00000000 | | 80M0D7W |
| 1 | 2 | 17900.00000000 | | 80M0D7W |
| 1 | 2 | 17900.00000000 | | 80M0D7W |
| 1 | 2 | 17900.00000000 | | 80M0D7W |
| 1 | 2 | 17900.00000000 | | 80M0D7W |
| 1 | 2 | 17900.00000000 | | 80M0D7W |
| 1 | 2 | 17900.00000000 | | 80M0D7W |
| 1 | 2 | 17900.00000000 | | 80M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1000 E Ohio St., Chicago, COOK, IL | 41.89527778, -87.60338889 | 182.900 m | BMAST | 12.200 m structure / 12.200 m overall | |
| 2 | R | | 41.91611111, -87.57250000 | 175.200 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | RADIO WAVES INC. HPD3-18 | | H | 42.3000 | 47.9000 | | |
| 1 | 2 | R | RADIO WAVES INC. HPD3-18 | | | 42.3000 | | | |
| 2 | 1 | T | RADIO WAVES INC. HPD3-18 | | V | 42.3000 | 47.9000 | | |
| 2 | 2 | R | RADIO WAVES INC. HPD3-18 | | | 42.3000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2022-09-07 | WRMT941 | LETCNS |
| 2021-06-03 | WRMT941 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4455727 | 2026-08-02 02:43:47 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRMT941 | ULS 4455727 | 2026-08-02 02:43:47 |
| Status | A | ULS 4455727 | 2026-08-02 02:43:47 |
| Service | MW | ULS 4455727 | 2026-08-02 02:43:47 |
| Grant Date | 2021-06-03 | ULS 4455727 | 2026-08-02 02:43:47 |
| Expiration Date | 2031-06-03 | ULS 4455727 | 2026-08-02 02:43:47 |