Universal Licensing System
WNKH981
Northwestern Medicine
License details
| ULS identifier | 1280265 |
|---|
| Call sign | WNKH981 |
|---|
| Radio service | PW |
|---|
| Status | A |
|---|
| Grant date | 2021-07-02 |
|---|
| Expiration | 2031-07-17 |
|---|
| Frequency range | 155.28 - 468.175 MHz (19 frequencies) |
|---|
| Locations | 2 |
|---|
| Representative location | WINFIELD, DUPAGE, IL |
|---|
| Coordinates | 41.8739167, -88.1250556 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:26:04 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 155.28000000 | | | 100.000000 | 100.000000 | |
| 2 | 1 | MO | 155.28000000 | | | 110.000000 | 95.000000 | |
| 1 | 1 | FB | 155.34000000 | | | 100.000000 | 100.000000 | |
| 2 | 1 | MO | 155.34000000 | | | 110.000000 | 95.000000 | |
| 1 | 1 | FB2 | 462.95000000 | | | 60.000000 | 180.000000 | |
| 1 | 2 | FBS | 463.00000000 | | | 90.000000 | 220.000000 | |
| 1 | 3 | FB | 463.00000000 | | | 90.000000 | 220.000000 | |
| 1 | 2 | FBS | 463.02500000 | | | 90.000000 | 220.000000 | |
| 1 | 3 | FB | 463.02500000 | | | 90.000000 | 220.000000 | |
| 1 | 2 | FBS | 463.05000000 | | | 90.000000 | 220.000000 | |
| 1 | 3 | FB | 463.05000000 | | | 90.000000 | 220.000000 | |
| 1 | 2 | FBS | 463.07500000 | | | 90.000000 | 220.000000 | |
| 1 | 3 | FB | 463.07500000 | | | 90.000000 | 220.000000 | |
| 1 | 2 | FBS | 463.10000000 | | | 90.000000 | 220.000000 | |
| 1 | 3 | FB | 463.10000000 | | | 90.000000 | 220.000000 | |
| 1 | 2 | FBS | 463.12500000 | | | 90.000000 | 220.000000 | |
| 1 | 3 | FB | 463.12500000 | | | 90.000000 | 220.000000 | |
| 1 | 2 | FBS | 463.15000000 | | | 90.000000 | 220.000000 | |
| 1 | 3 | FB | 463.15000000 | | | 90.000000 | 220.000000 | |
| 1 | 2 | FB | 463.17500000 | | | 90.000000 | 220.000000 | |
| 1 | 3 | FB | 463.17500000 | | | 90.000000 | 220.000000 | |
| 2 | 1 | MO | 467.95000000 | | | 35.000000 | 35.000000 | |
| 2 | 1 | MO | 468.00000000 | | | 35.000000 | 35.000000 | |
| 2 | 1 | MO | 468.02500000 | | | 35.000000 | 35.000000 | |
| 2 | 1 | MO | 468.05000000 | | | 35.000000 | 35.000000 | |
| 2 | 1 | MO | 468.07500000 | | | 35.000000 | 35.000000 | |
| 2 | 1 | MO | 468.10000000 | | | 35.000000 | 35.000000 | |
| 2 | 1 | MO | 468.12500000 | | | 35.000000 | 35.000000 | |
| 2 | 1 | MO | 468.15000000 | | | 35.000000 | 35.000000 | |
| 2 | 1 | MO | 468.17500000 | | | 35.000000 | 35.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 155.28000000 | | 11K2F3E |
| 2 | 1 | 155.28000000 | | 11K2F3E |
| 1 | 1 | 155.34000000 | | 11K2F3E |
| 2 | 1 | 155.34000000 | | 11K2F3E |
| 1 | 1 | 462.95000000 | | 11K2F3E |
| 1 | 2 | 463.00000000 | | 11K2F3E |
| 1 | 3 | 463.00000000 | | 11K2F3E |
| 1 | 2 | 463.02500000 | | 11K2F3E |
| 1 | 3 | 463.02500000 | | 11K2F3E |
| 1 | 2 | 463.05000000 | | 11K2F3E |
| 1 | 3 | 463.05000000 | | 11K2F3E |
| 1 | 2 | 463.07500000 | | 11K2F3E |
| 1 | 3 | 463.07500000 | | 11K2F3E |
| 1 | 2 | 463.10000000 | | 11K2F3E |
| 1 | 3 | 463.10000000 | | 11K2F3E |
| 1 | 2 | 463.12500000 | | 11K2F3E |
| 1 | 3 | 463.12500000 | | 11K2F3E |
| 1 | 2 | 463.15000000 | | 11K2F3E |
| 1 | 3 | 463.15000000 | | 11K2F3E |
| 1 | 2 | 463.17500000 | | 11K2F3E |
| 1 | 3 | 463.17500000 | | 11K2F3E |
| 2 | 1 | 467.95000000 | | 11K2F3E |
| 2 | 1 | 468.00000000 | | 11K2F3E |
| 2 | 1 | 468.02500000 | | 11K2F3E |
| 2 | 1 | 468.05000000 | | 11K2F3E |
| 2 | 1 | 468.07500000 | | 11K2F3E |
| 2 | 1 | 468.10000000 | | 11K2F3E |
| 2 | 1 | 468.12500000 | | 11K2F3E |
| 2 | 1 | 468.15000000 | | 11K2F3E |
| 2 | 1 | 468.17500000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 25 N WINFIELD RD, WINFIELD, DUPAGE, IL | 41.87391667, -88.12505556 | 229.000 m | BANT | 18.000 m structure / 24.000 m overall | N |
| 2 | T | | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 15.000 m | | | | 17.200 | |
| 1 | 2 | T | | | | | | | |
| 2 | 1 | T | | 18.000 m | | | | 20.200 | |
| 3 | 1 | T | | 24.000 m | | | | 26.200 | |
Control points
| Number | Address | County | Phone |
|---|
| 2 | 25 N WINFIELD ROAD, WINFIELD, IL | DUPAGE | 6309336910 |
License history
| Date | File or call sign | Action |
|---|
| 2021-07-02 | WNKH981 | LIREN |
| 2021-04-26 | WNKH981 | LETRES |
| 2018-09-26 | WNKH981 | LIMOD |
| 2018-09-01 | WNKH981 | LITRAN |
| 2014-09-01 | WNKH981 | LITRAN |
| 2014-08-28 | WNKH981 | ESCAPR |
| 2011-08-09 | WNKH981 | LIREN |
| 2011-06-27 | WNKH981 | COR |
| 2011-05-13 | WNKH981 | ESCAPR |
| 2011-04-25 | WNKH981 | LETRES |
| 2011-03-31 | WNKH981 | LITRAN |
| 2011-03-11 | WNKH981 | ESCAPR |
| 2011-03-10 | WNKH981 | ESCFNR |
| 2010-11-01 | WNKH981 | LIMOD |
| 2006-11-08 | WNKH981 | LTSAPR |
| 2006-11-08 | WNKH981 | LIAUA |
| 2006-11-07 | WNKH981 | EFCAPR |
| 2006-11-07 | WNKH981 | ESCAPR |
| 2006-08-14 | WNKH981 | LTSAPR |
| 2006-08-12 | WNKH981 | LIAUA |
| 2002-08-01 | WNKH981 | AUDOPR |
| 2001-08-08 | WNKH981 | LIREN |
| 2001-04-23 | WNKH981 | LETRES |
| 2000-10-20 | WNKH981 | LICCNV |
| 1996-07-02 | WNKH981 | AUTHPR |
| 1996-07-02 | WNKH981 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1280265 | 2026-08-02 01:26:04 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WNKH981 | ULS 1280265 | 2026-08-02 01:26:04 |
| Status | A | ULS 1280265 | 2026-08-02 01:26:04 |
| Service | PW | ULS 1280265 | 2026-08-02 01:26:04 |
| Grant Date | 2021-07-02 | ULS 1280265 | 2026-08-02 01:26:04 |
| Expiration Date | 2031-07-17 | ULS 1280265 | 2026-08-02 01:26:04 |