Universal Licensing System
WQTB920
Northwestern Memorial HealthCare
License details
| ULS identifier | 3548704 |
|---|
| Call sign | WQTB920 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2023-12-08 |
|---|
| Expiration | 2033-12-31 |
|---|
| Frequency range | 451.725 - 469.275 MHz (16 frequencies) |
|---|
| Locations | 2 |
|---|
| Representative location | Chicago, COOK, IL |
|---|
| Coordinates | 41.8940000, -87.6207778 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:19:39 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 451.72500000 | | | 100.000000 | 85.000000 | |
| 2 | 1 | MO | 451.72500000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | FB2 | 452.00000000 | | | 100.000000 | 85.000000 | |
| 2 | 1 | MO | 452.00000000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | FB2 | 452.26250000 | | | 100.000000 | 85.000000 | |
| 2 | 1 | MO | 452.26250000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | FB2 | 452.46250000 | | | 100.000000 | 85.000000 | |
| 2 | 1 | MO | 452.46250000 | | | 5.000000 | 5.000000 | |
| 2 | 1 | MO | 456.72500000 | | | 5.000000 | 5.000000 | |
| 2 | 1 | MO | 457.00000000 | | | 5.000000 | 5.000000 | |
| 2 | 1 | MO | 457.26250000 | | | 5.000000 | 5.000000 | |
| 2 | 1 | MO | 457.46250000 | | | 5.000000 | 5.000000 | |
| 3 | 1 | FB2 | 461.41250000 | | | 100.000000 | 85.000000 | |
| 4 | 1 | MO | 461.41250000 | | | 5.000000 | 5.000000 | |
| 3 | 1 | FB2 | 462.00000000 | | | 100.000000 | 85.000000 | |
| 4 | 1 | MO | 462.00000000 | | | 5.000000 | 5.000000 | |
| 3 | 1 | FB2 | 463.28750000 | | | 100.000000 | 85.000000 | |
| 4 | 1 | MO | 463.28750000 | | | 5.000000 | 5.000000 | |
| 3 | 1 | FB2 | 464.27500000 | | | 100.000000 | 85.000000 | |
| 4 | 1 | MO | 464.27500000 | | | 5.000000 | 5.000000 | |
| 4 | 1 | MO | 466.41250000 | | | 5.000000 | 5.000000 | |
| 4 | 1 | MO | 467.00000000 | | | 5.000000 | 5.000000 | |
| 4 | 1 | MO | 468.28750000 | | | 5.000000 | 5.000000 | |
| 4 | 1 | MO | 469.27500000 | | | 5.000000 | 5.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.72500000 | | 7K60FXD |
| 1 | 1 | 451.72500000 | | 7K60FXE |
| 2 | 1 | 451.72500000 | | 7K60FXD |
| 2 | 1 | 451.72500000 | | 7K60FXE |
| 1 | 1 | 452.00000000 | | 7K60FXE |
| 1 | 1 | 452.00000000 | | 7K60FXD |
| 2 | 1 | 452.00000000 | | 7K60FXD |
| 2 | 1 | 452.00000000 | | 7K60FXE |
| 1 | 1 | 452.26250000 | | 7K60FXE |
| 1 | 1 | 452.26250000 | | 7K60FXD |
| 2 | 1 | 452.26250000 | | 7K60FXE |
| 2 | 1 | 452.26250000 | | 7K60FXD |
| 1 | 1 | 452.46250000 | | 7K60FXE |
| 1 | 1 | 452.46250000 | | 7K60FXD |
| 2 | 1 | 452.46250000 | | 7K60FXD |
| 2 | 1 | 452.46250000 | | 7K60FXE |
| 2 | 1 | 456.72500000 | | 7K60FXE |
| 2 | 1 | 456.72500000 | | 7K60FXD |
| 2 | 1 | 457.00000000 | | 7K60FXE |
| 2 | 1 | 457.00000000 | | 7K60FXD |
| 2 | 1 | 457.26250000 | | 7K60FXD |
| 2 | 1 | 457.26250000 | | 7K60FXE |
| 2 | 1 | 457.46250000 | | 7K60FXE |
| 2 | 1 | 457.46250000 | | 7K60FXD |
| 3 | 1 | 461.41250000 | | 7K60FXE |
| 3 | 1 | 461.41250000 | | 7K60FXD |
| 4 | 1 | 461.41250000 | | 7K60FXD |
| 4 | 1 | 461.41250000 | | 7K60FXE |
| 3 | 1 | 462.00000000 | | 7K60FXE |
| 3 | 1 | 462.00000000 | | 7K60FXD |
| 4 | 1 | 462.00000000 | | 7K60FXD |
| 4 | 1 | 462.00000000 | | 7K60FXE |
| 3 | 1 | 463.28750000 | | 7K60FXE |
| 3 | 1 | 463.28750000 | | 7K60FXD |
| 4 | 1 | 463.28750000 | | 7K60FXE |
| 4 | 1 | 463.28750000 | | 7K60FXD |
| 3 | 1 | 464.27500000 | | 7K60FXE |
| 3 | 1 | 464.27500000 | | 7K60FXD |
| 4 | 1 | 464.27500000 | | 7K60FXE |
| 4 | 1 | 464.27500000 | | 7K60FXD |
| 4 | 1 | 466.41250000 | | 7K60FXD |
| 4 | 1 | 466.41250000 | | 7K60FXE |
| 4 | 1 | 467.00000000 | | 7K60FXE |
| 4 | 1 | 467.00000000 | | 7K60FXD |
| 4 | 1 | 468.28750000 | | 7K60FXD |
| 4 | 1 | 468.28750000 | | 7K60FXE |
| 4 | 1 | 469.27500000 | | 7K60FXD |
| 4 | 1 | 469.27500000 | | 7K60FXE |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | | 676 N Saint Clair St, Chicago, COOK, IL | 41.89472222, -87.62316667 | 180.000 m | Bant | 92.000 m structure / 92.000 m overall | |
| 2 | | | | | | | |
| 3 | | 259 E Erie St, Chicago, COOK, IL | 41.89400000, -87.62077778 | 180.000 m | b | 96.000 m structure / 96.000 m overall | N |
| 4 | | | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 51.000 m | | | | 58.100 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | 96.000 m | | | | 115.000 | |
| 1 | 4 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 676 N Saint Clair St, Chicago, IL | COOK | 3129262000 |
| 2 | 259 E Erie St, Chicago, IL | COOK | 3129262000 |
License history
| Date | File or call sign | Action |
|---|
| 2023-12-08 | WQTB920 | LIREN |
| 2023-10-09 | WQTB920 | LETRES |
| 2014-09-30 | WQTB920 | LETCNS |
| 2014-08-01 | WQTB920 | LIASS |
| 2014-07-25 | WQTB920 | ESUAPR |
| 2014-04-01 | WQTB920 | LIMOD |
| 2013-12-31 | WQTB920 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 3548704 | 2026-08-02 01:19:39 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQTB920 | ULS 3548704 | 2026-08-02 01:19:39 |
| Status | A | ULS 3548704 | 2026-08-02 01:19:39 |
| Service | IG | ULS 3548704 | 2026-08-02 01:19:39 |
| Grant Date | 2023-12-08 | ULS 3548704 | 2026-08-02 01:19:39 |
| Expiration Date | 2033-12-31 | ULS 3548704 | 2026-08-02 01:19:39 |