Universal Licensing System
WNPK741
AERONAUTICAL RADIO INC
License details
| ULS identifier | 1580886 |
|---|
| Call sign | WNPK741 |
|---|
| Radio service | GB |
|---|
| Status | A |
|---|
| Grant date | 2023-09-07 |
|---|
| Expiration | 2033-11-22 |
|---|
| Frequency range | 810.0875 - 855.0875 MHz (2 frequencies) |
|---|
| Locations | 3 |
|---|
| Representative location | CHICAGO, COOK, IL |
|---|
| Coordinates | 41.8789167, -87.6361667 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:15:30 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FX1 | 810.08750000 | | | 25.000000 | 50.000000 | |
| 3 | 1 | MO | 810.08750000 | | | 25.000000 | 50.000000 | |
| 2 | 1 | FB2C | 855.08750000 | | | 125.000000 | 44.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 810.08750000 | | 20K0F3E |
| 3 | 1 | 810.08750000 | | 20K0F3E |
| 2 | 1 | 855.08750000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | MD | | | | | |
| 2 | T | SEARS TWR ADAMS AND FRANKLIN, CHICAGO, COOK, IL | 41.87891667, -87.63616667 | 181.000 m | | 522.000 m structure / 522.000 m overall | N |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | 367.000 m | | | | 367.000 | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 2551 RIVA RD, ANNAPOLIS, MD | ANNE ARUNDEL | 4102664242 |
License history
| Date | File or call sign | Action |
|---|
| 2023-09-07 | WNPK741 | LIREN |
| 2023-08-28 | WNPK741 | LETRES |
| 2018-11-26 | WNPK741 | LITRAN |
| 2013-12-24 | WNPK741 | LITRAN |
| 2013-11-22 | WNPK741 | LIAUA |
| 2013-11-21 | WNPK741 | ESUAPR |
| 2013-10-29 | WNPK741 | LIREN |
| 2013-10-22 | WNPK741 | ESUAPR |
| 2013-09-02 | WNPK741 | LTSAPR |
| 2013-08-26 | WNPK741 | LETRES |
| 2012-05-02 | WNPK741 | LITRAN |
| 2012-04-04 | WNPK741 | LITRAN |
| 2012-03-08 | WNPK741 | LTSAPR |
| 2008-08-01 | WNPK741 | LITRAN |
| 2008-05-09 | WNPK741 | LTSAPR |
| 2007-10-25 | WNPK741 | LITRAN |
| 2007-07-20 | WNPK741 | ESCAPR |
| 2003-09-12 | WNPK741 | LIREN |
| 2003-08-25 | WNPK741 | LETRES |
| 2000-11-22 | WNPK741 | LICCNV |
| 1998-09-16 | WNPK741 | LIREN |
| 1998-09-16 | WNPK741 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1580886 | 2026-08-02 01:15:30 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WNPK741 | ULS 1580886 | 2026-08-02 01:15:30 |
| Status | A | ULS 1580886 | 2026-08-02 01:15:30 |
| Service | GB | ULS 1580886 | 2026-08-02 01:15:30 |
| Grant Date | 2023-09-07 | ULS 1580886 | 2026-08-02 01:15:30 |
| Expiration Date | 2033-11-22 | ULS 1580886 | 2026-08-02 01:15:30 |