Universal Licensing System
KSC557
TRANSPORTATION MAINTENANCE INC
License details
| ULS identifier | 1922004 |
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| Call sign | KSC557 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2012-02-08 |
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| Expiration | 2022-01-23 |
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| Cancellation | 2022-03-26 |
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| Frequency range | 152.33 - 157.59 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | CHICAGO, COOK, IL |
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| Coordinates | 41.7483611, -87.6131111 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:15:18 |
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Licensee
| Name | TRANSPORTATION MAINTENANCE INC |
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| Applicant type | C |
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| FRN | 0006066740 |
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| Location | CHICAGO, IL |
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| Address | 8000 S KING DR AVE, CHICAGO, IL, 60619 |
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| Phone | 7734888000 |
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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 | FB | 152.33000000 | | | 60.000000 | | |
| 2 | 1 | MO | 157.59000000 | | | 25.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 152.33000000 | | 16K0F3E |
| 1 | 1 | 152.33000000 | | 11K2F3E |
| 2 | 1 | 157.59000000 | | 11K2F3E |
| 2 | 1 | 157.59000000 | | 16K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 8000 S MARTIN L KING DR, CHICAGO, COOK, IL | 41.74836111, -87.61311111 | 180.000 m | | 46.000 m structure / 46.000 m overall | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 46.000 m | | | | | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 2 | 8000 S MARTIN L KING DR, CHICAGO, IL | COOK | 7734888000 |
License history
| Date | File or call sign | Action |
|---|
| 2022-03-26 | KSC557 | LIEXP |
| 2012-11-26 | KSC557 | LIMOD |
| 2012-10-05 | KSC557 | LTSAPR |
| 2012-02-08 | KSC557 | LIREN |
| 2012-01-05 | KSC557 | LTSAPR |
| 2011-10-31 | KSC557 | LETRES |
| 2002-07-24 | KSC557 | AUDOPR |
| 2002-01-09 | KSC557 | LIREN |
| 2001-10-29 | KSC557 | LETRES |
| 2000-11-24 | KSC557 | LICCNV |
| 1997-01-01 | KSC557 | LIREN |
| 1997-01-01 | KSC557 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1922004 | 2026-08-02 01:15:18 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | KSC557 | ULS 1922004 | 2026-08-02 01:15:18 |
| Status | E | ULS 1922004 | 2026-08-02 01:15:18 |
| Service | IG | ULS 1922004 | 2026-08-02 01:15:18 |
| Grant Date | 2012-02-08 | ULS 1922004 | 2026-08-02 01:15:18 |
| Expiration Date | 2022-01-23 | ULS 1922004 | 2026-08-02 01:15:18 |
| Cancellation Date | 2022-03-26 | ULS 1922004 | 2026-08-02 01:15:18 |