Universal Licensing System
WPSK270
SIGMA AUTOSPORT
License details
| ULS identifier | 2322738 |
|---|
| Call sign | WPSK270 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2001-05-29 |
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| Expiration | 2011-05-29 |
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| Cancellation | 2011-07-30 |
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| Frequency range | 451.3 - 466.275 MHz (8 frequencies) |
|---|
| Locations | 1 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:14:30 |
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Licensee
| Name | SIGMA AUTOSPORT |
|---|
| Applicant type | C |
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| FRN | 0005258769 |
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| Location | BRIDGEVIEW, IL |
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| Address | 7800 W 71ST ST, BRIDGEVIEW, IL, 60455 |
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| Phone | 7084581600 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2T | 451.30000000 | | | 10.000000 | 10.000000 | |
| 2 | 1 | MO | 451.30000000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | FB2T | 451.35000000 | | | 10.000000 | 10.000000 | |
| 2 | 1 | MO | 451.35000000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | FB2T | 451.77500000 | | | 10.000000 | 10.000000 | |
| 2 | 1 | MO | 451.77500000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 456.30000000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 456.35000000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 456.77500000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | FB2T | 461.27500000 | | | 10.000000 | 10.000000 | |
| 2 | 1 | MO | 461.27500000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 466.27500000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.30000000 | | 11K2F3E |
| 2 | 1 | 451.30000000 | | 11K2F3E |
| 1 | 1 | 451.35000000 | | 11K2F3E |
| 2 | 1 | 451.35000000 | | 11K2F3E |
| 1 | 1 | 451.77500000 | | 11K2F3E |
| 2 | 1 | 451.77500000 | | 11K2F3E |
| 2 | 1 | 456.30000000 | | 11K2F3E |
| 2 | 1 | 456.35000000 | | 11K2F3E |
| 2 | 1 | 456.77500000 | | 11K2F3E |
| 1 | 1 | 461.27500000 | | 11K2F3E |
| 2 | 1 | 461.27500000 | | 11K2F3E |
| 2 | 1 | 466.27500000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | | | | | | |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | | | | | | | | |
| 1 | 2 | | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 7800 W 71ST ST, BRIDGEVIEW, IL | COOK | 7084581600 |
License history
| Date | File or call sign | Action |
|---|
| 2011-07-30 | WPSK270 | LIEXP |
| 2011-03-07 | WPSK270 | LETRES |
| 2002-12-03 | WPSK270 | AUDOPR |
| 2001-05-29 | WPSK270 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2322738 | 2026-08-02 01:14:30 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPSK270 | ULS 2322738 | 2026-08-02 01:14:30 |
| Status | E | ULS 2322738 | 2026-08-02 01:14:30 |
| Service | IG | ULS 2322738 | 2026-08-02 01:14:30 |
| Grant Date | 2001-05-29 | ULS 2322738 | 2026-08-02 01:14:30 |
| Expiration Date | 2011-05-29 | ULS 2322738 | 2026-08-02 01:14:30 |
| Cancellation Date | 2011-07-30 | ULS 2322738 | 2026-08-02 01:14:30 |