Universal Licensing System
WPTQ550
WINDOW TO THE WORLD COMMUNICATIONS, INC.
License details
| ULS identifier | 2365107 |
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| Call sign | WPTQ550 |
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| Radio service | TP |
|---|
| Status | A |
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| Grant date | 2001-11-26 |
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| Expiration | 2029-12-01 |
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| Frequency range | 2025.5 - 2483.5 MHz (5 frequencies) |
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| Locations | 1 |
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| Representative location | Chicago, COOK, IL |
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| Coordinates | 41.8788889, -87.6355556 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-07-29 23:40:08 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 3 | MO | 2025.50000000 | 2109.50000000 | | | | |
| 1 | 3 | MO | 2450.00000000 | 2467.00000000 | | | | |
| 1 | 3 | MO | 2467.00000000 | 2483.50000000 | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 3 | 2025.50000000 | | 12M0F8W |
| 1 | 3 | 2025.50000000 | | 7M00W7D |
| 1 | 3 | 2025.50000000 | | 8M00W7D |
| 1 | 3 | 2025.50000000 | | 6M00W7D |
| 1 | 3 | 2450.00000000 | | 6M00W7D |
| 1 | 3 | 2450.00000000 | | 17M0F8W |
| 1 | 3 | 2450.00000000 | | 12M0F8W |
| 1 | 3 | 2450.00000000 | | 8M00W7D |
| 1 | 3 | 2450.00000000 | | 7M00W7D |
| 1 | 3 | 2467.00000000 | | 7M00W7D |
| 1 | 3 | 2467.00000000 | | 8M00W7D |
| 1 | 3 | 2467.00000000 | | 16M5F8W |
| 1 | 3 | 2467.00000000 | | 12M0F8W |
| 1 | 3 | 2467.00000000 | | 6M00W7D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Chicago, COOK, IL | 41.87888889, -87.63555556 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 3 | 1 | T | MRC Broadcast Products 2A20/7A30SS | | S | 20.0000 | 999.0000 | | |
| 4 | 1 | R | MRC Broadcast Products ProScanII 2/7 Custom | | | 26.0000 | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 5400 N. St. Louis Avenue, Chicago, IL | COOK | 7735835000 |
License history
| Date | File or call sign | Action |
|---|
| 2026-05-27 | WPTQ550 | PNACT |
| 2026-05-23 | WPTQ550 | PLAUPR |
| 2026-05-22 | WPTQ550 | LIREN |
| 2014-10-15 | WPTQ550 | AUTHPR |
| 2014-10-15 | WPTQ550 | PNACT |
| 2014-10-11 | WPTQ550 | LIREN |
| 2009-09-12 | WPTQ550 | AUTHPR |
| 2009-09-11 | WPTQ550 | COR |
| 2009-09-11 | WPTQ550 | INTDUP |
| 2009-06-30 | WPTQ550 | LETCNS |
| 2008-03-27 | WPTQ550 | LIMOD |
| 2008-02-27 | WPTQ550 | ESUAPR |
| 2006-12-20 | WPTQ550 | PNACT |
| 2006-12-16 | WPTQ550 | AUTHPR |
| 2006-12-15 | WPTQ550 | LIREN |
| 2005-01-04 | WPTQ550 | LIAUA |
| 2004-12-01 | WPTQ550 | ESUAPR |
| 2004-08-25 | WPTQ550 | PNACT |
| 2004-08-17 | WPTQ550 | AUTHPR |
| 2004-08-16 | WPTQ550 | LIMOD |
| 2003-05-13 | WPTQ550 | LIAUA |
| 2003-01-29 | WPTQ550 | PNACT |
| 2003-01-22 | WPTQ550 | AUTHPR |
| 2003-01-21 | WPTQ550 | LIMOD |
| 2001-11-26 | WPTQ550 | COR |
| 2001-11-26 | WPTQ550 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2365107 | 2026-07-29 23:40:08 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPTQ550 | ULS 2365107 | 2026-07-29 23:40:08 |
| Status | A | ULS 2365107 | 2026-07-29 23:40:08 |
| Service | TP | ULS 2365107 | 2026-07-29 23:40:08 |
| Grant Date | 2001-11-26 | ULS 2365107 | 2026-07-29 23:40:08 |
| Expiration Date | 2029-12-01 | ULS 2365107 | 2026-07-29 23:40:08 |