Universal Licensing System
WSM739
WINDOW TO THE WORLD COMMUNICATIONS, INC.
License details
| ULS identifier | 1146179 |
|---|
| Call sign | WSM739 |
|---|
| Radio service | RP |
|---|
| Status | A |
|---|
| Grant date | 1980-05-20 |
|---|
| Expiration | 2029-12-01 |
|---|
| Frequency range | 455.4125 - 455.6125 MHz (2 frequencies) |
|---|
| Locations | 1 |
|---|
| Representative location | CHICAGO, COOK, IL |
|---|
| Coordinates | 41.8789167, -87.6361667 |
|---|
| Source archive | l_LMbcast.zip |
|---|
| Dataset refreshed | 2026-08-16 00:46:06 |
|---|
Licensee
| Name | WINDOW TO THE WORLD COMMUNICATIONS, INC. |
|---|
| Applicant type | C |
|---|
| Location | CHICAGO, IL |
|---|
| Address | 5400 NORTH ST. LOUIS AVE, CHICAGO, IL, 60625 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 455.41250000 | | | 75.000000 | | |
| 2 | 1 | MO | 455.41250000 | | | 75.000000 | | |
| 1 | 1 | FB | 455.61250000 | | | 75.000000 | | |
| 2 | 1 | MO | 455.61250000 | | | 75.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 455.41250000 | | 25K0F3E |
| 2 | 1 | 455.41250000 | | 25K0F3E |
| 1 | 1 | 455.61250000 | | 25K0F3E |
| 2 | 1 | 455.61250000 | | 25K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | SEARS TWR 233 S WACKER DR, CHICAGO, COOK, IL | 41.87891667, -87.63616667 | | | | N |
| 2 | T | CHICAGO, COOK, IL | 41.87891667, -87.63616667 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 482.000 m | | | | | |
| 1 | 2 | T | | 482.000 m | | | | | |
License history
| Date | File or call sign | Action |
|---|
| 2026-05-27 | WSM739 | PNACT |
| 2026-05-22 | WSM739 | LIREN |
| 2014-10-15 | WSM739 | AUTHPR |
| 2014-10-15 | WSM739 | PNACT |
| 2014-10-11 | WSM739 | LIREN |
| 2006-12-20 | WSM739 | PNACT |
| 2006-12-15 | WSM739 | AUTHPR |
| 2006-12-15 | WSM739 | LIREN |
| 2004-08-25 | WSM739 | PNACT |
| 2004-08-16 | WSM739 | LIMOD |
| 2004-08-16 | WSM739 | AUTHPR |
| 2003-01-29 | WSM739 | PNACT |
| 2003-01-23 | WSM739 | AUTHPR |
| 2003-01-21 | WSM739 | LIMOD |
| 2000-09-15 | WSM739 | LICCNV |
| 2000-08-14 | WSM739 | AUTHPR |
| 1980-05-20 | WSM739 | LIMOD |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1146179 | 2026-08-16 00:46:06 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WSM739 | ULS 1146179 | 2026-08-16 00:46:06 |
| Status | A | ULS 1146179 | 2026-08-16 00:46:06 |
| Service | RP | ULS 1146179 | 2026-08-16 00:46:06 |
| Grant Date | 1980-05-20 | ULS 1146179 | 2026-08-16 00:46:06 |
| Expiration Date | 2029-12-01 | ULS 1146179 | 2026-08-16 00:46:06 |