Universal Licensing System
WPNQ474
ATA Airlines
License details
| ULS identifier | 1804549 |
|---|
| Call sign | WPNQ474 |
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| Radio service | IG |
|---|
| Status | C |
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| Grant date | 2004-04-30 |
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| Expiration | 2014-05-04 |
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| Cancellation | 2008-04-29 |
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| Frequency range | 452.125 - 457.125 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | CHICAGO, COOK, IL |
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| Coordinates | 41.7930833, -87.7536667 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:08:55 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 452.12500000 | | | 45.000000 | 30.000000 | |
| 3 | 1 | MO | 452.12500000 | | | 4.000000 | | |
| 2 | 1 | FX1 | 457.12500000 | | | 4.000000 | | |
| 3 | 1 | MO | 457.12500000 | | | 4.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 452.12500000 | | 20K0F3E |
| 3 | 1 | 452.12500000 | | 20K0F3E |
| 2 | 1 | 457.12500000 | | 20K0F3E |
| 3 | 1 | 457.12500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 5245 W 55TH ST, CHICAGO, COOK, IL | 41.79308333, -87.75366667 | 184.000 m | B | 9.000 m structure / 12.000 m overall | N |
| 2 | T | IL | | | | | |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 12.000 m | | | | 9.000 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 5245 W 55TH ST, CHICAGO, IL | | 7738844010 |
License history
| Date | File or call sign | Action |
|---|
| 2008-04-30 | WPNQ474 | LICAN |
| 2008-04-29 | WPNQ474 | ESUAPR |
| 2006-02-28 | WPNQ474 | LIASS |
| 2005-02-15 | WPNQ474 | ESCAPR |
| 2005-02-03 | WPNQ474 | ESCAPR |
| 2004-04-30 | WPNQ474 | LTSFRN |
| 2004-04-29 | WPNQ474 | ESCAPR |
| 2004-02-09 | WPNQ474 | LETRES |
| 2001-09-24 | WPNQ474 | AUDOPR |
| 2000-11-23 | WPNQ474 | LICCNV |
| 1999-05-04 | WPNQ474 | AUTHPR |
| 1999-05-04 | WPNQ474 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1804549 | 2026-08-02 01:08:55 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPNQ474 | ULS 1804549 | 2026-08-02 01:08:55 |
| Status | C | ULS 1804549 | 2026-08-02 01:08:55 |
| Service | IG | ULS 1804549 | 2026-08-02 01:08:55 |
| Grant Date | 2004-04-30 | ULS 1804549 | 2026-08-02 01:08:55 |
| Expiration Date | 2014-05-04 | ULS 1804549 | 2026-08-02 01:08:55 |
| Cancellation Date | 2008-04-29 | ULS 1804549 | 2026-08-02 01:08:55 |