Universal Licensing System
WPZQ436
CHICAGO TRANSIT AUTHORITY
License details
| ULS identifier | 2594937 |
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| Call sign | WPZQ436 |
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| Radio service | PW |
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| Status | A |
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| Grant date | 2024-02-08 |
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| Expiration | 2034-02-19 |
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| Frequency range | 453.375 - 458.425 MHz (4 frequencies) |
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| Locations | 2 |
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| Representative location | CHICAGO, COOK, IL |
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| Coordinates | 41.8855833, -87.6208889 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:14:42 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 453.37500000 | | | 66.950000 | 66.950000 | |
| 1 | 1 | FB2 | 453.42500000 | | | 66.950000 | 66.950000 | |
| 2 | 1 | MO | 458.37500000 | | | 40.000000 | 35.000000 | |
| 2 | 1 | MO | 458.42500000 | | | 40.000000 | 35.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 453.37500000 | | 11K2F3E |
| 1 | 1 | 453.42500000 | | 11K2F3E |
| 2 | 1 | 458.37500000 | | 11K2F3E |
| 2 | 1 | 458.42500000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 200 E RANDOLPH ST, CHICAGO, COOK, IL | 41.88558333, -87.62088889 | 180.000 m | BANT | 337.000 m structure / 342.000 m overall | |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | | | 342.000 m | V | 6.0000 | 360.0000 | 341.600 | |
| 1 | 2 | | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 120 N RACINE AVE, CHICAGO, IL | COOK | 3124328040 |
License history
| Date | File or call sign | Action |
|---|
| 2025-07-02 | WPZQ436 | LIAUA |
| 2024-02-08 | WPZQ436 | LIREN |
| 2023-12-21 | WPZQ436 | ESURNW |
| 2023-11-27 | WPZQ436 | LETRES |
| 2019-02-27 | WPZQ436 | LIAUA |
| 2014-11-22 | WPZQ436 | LIMOD |
| 2014-02-19 | WPZQ436 | LIMOD |
| 2014-02-18 | WPZQ436 | ESUAPR |
| 2014-02-12 | WPZQ436 | LIREN |
| 2014-02-11 | WPZQ436 | ESUAPR |
| 2014-02-09 | WPZQ436 | ESURNW |
| 2014-01-20 | WPZQ436 | ESURNW |
| 2013-11-25 | WPZQ436 | LETRES |
| 2013-11-21 | WPZQ436 | ESURNW |
| 2013-02-21 | WPZQ436 | LIMOD |
| 2012-10-31 | WPZQ436 | LTSAPR |
| 2012-10-23 | WPZQ436 | LTSAPR |
| 2006-11-14 | WPZQ436 | LIAUA |
| 2006-11-14 | WPZQ436 | LTSAPR |
| 2004-11-22 | WPZQ436 | LETCNS |
| 2004-02-19 | WPZQ436 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2594937 | 2026-08-02 01:14:42 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPZQ436 | ULS 2594937 | 2026-08-02 01:14:42 |
| Status | A | ULS 2594937 | 2026-08-02 01:14:42 |
| Service | PW | ULS 2594937 | 2026-08-02 01:14:42 |
| Grant Date | 2024-02-08 | ULS 2594937 | 2026-08-02 01:14:42 |
| Expiration Date | 2034-02-19 | ULS 2594937 | 2026-08-02 01:14:42 |