Universal Licensing System
WPKA920
MR DS TOWING CO
License details
| ULS identifier | 1743569 |
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| Call sign | WPKA920 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1997-01-08 |
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| Expiration | 2002-01-08 |
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| Cancellation | 2002-05-05 |
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| Frequency range | 463.325 - 468.325 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | CHICAGO, COOK, IL |
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| Coordinates | 41.8789167, -87.6361667 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:28:59 |
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Licensee
| Name | MR DS TOWING CO |
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| Applicant type | C |
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| Location | CHICAGO, IL |
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| Address | 300 E 69TH ST, CHICAGO, IL, 60637 |
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| Phone | 3123246200 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 1 | 1 | FB4 | 463.32500000 | | | 75.000000 | 200.000000 | |
| 3 | 1 | MO | 463.32500000 | | | 4.000000 | | |
| 2 | 1 | FX1 | 468.32500000 | | | 30.000000 | | |
| 3 | 1 | MO | 468.32500000 | | | 4.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 463.32500000 | | 20K0F3E |
| 3 | 1 | 463.32500000 | | 20K0F3E |
| 2 | 1 | 468.32500000 | | 20K0F3E |
| 3 | 1 | 468.32500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 233 WACKER DR, CHICAGO, COOK, IL | 41.87891667, -87.63616667 | 181.000 m | TOWER | 370.000 m structure / 370.000 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 | | 370.000 m | | | | 0.000 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 300 E 69TH ST, CHICAGO, IL | | 3123246200 |
License history
| Date | File or call sign | Action |
|---|
| 2002-05-05 | WPKA920 | LIEXP |
| 2001-10-15 | WPKA920 | LETRES |
| 2001-10-05 | WPKA920 | LETAUS |
| 2000-11-23 | WPKA920 | LICCNV |
| 1997-01-08 | WPKA920 | AUTHPR |
| 1997-01-08 | WPKA920 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1743569 | 2026-08-02 01:28:59 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPKA920 | ULS 1743569 | 2026-08-02 01:28:59 |
| Status | E | ULS 1743569 | 2026-08-02 01:28:59 |
| Service | IG | ULS 1743569 | 2026-08-02 01:28:59 |
| Grant Date | 1997-01-08 | ULS 1743569 | 2026-08-02 01:28:59 |
| Expiration Date | 2002-01-08 | ULS 1743569 | 2026-08-02 01:28:59 |
| Cancellation Date | 2002-05-05 | ULS 1743569 | 2026-08-02 01:28:59 |