Universal Licensing System
KNNN272
Shamrock TBC
License details
| ULS identifier | 1633040 |
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| Call sign | KNNN272 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2000-11-14 |
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| Expiration | 2006-03-05 |
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| Cancellation | 2006-05-06 |
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| Frequency range | 461.0125 - 469.8625 MHz (4 frequencies) |
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| Locations | 1 |
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| Representative location | COOK, IL |
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| Coordinates | 41.7255833, -87.8250556 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:24:42 |
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Licensee
| Name | Shamrock TBC |
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| Applicant type | C |
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| FRN | 0006641690 |
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| Location | HICKORY HILLS, IL |
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| Address | 8760 W 95TH ST, HICKORY HILLS, IL, 60457 |
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| Phone | 7085996442 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 461.01250000 | | | 1.000000 | | |
| 1 | 1 | MO | 461.31250000 | | | 1.000000 | | |
| 1 | 1 | MO | 469.26250000 | | | 1.000000 | | |
| 1 | 1 | MO | 469.86250000 | | | 1.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 461.01250000 | | 20K0F3E |
| 1 | 1 | 461.31250000 | | 20K0F3E |
| 1 | 1 | 469.26250000 | | 20K0F3E |
| 1 | 1 | 469.86250000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | COOK, IL | 41.72558333, -87.82505556 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 8760 W 95TH ST, HICKORY HILLS, IL | | 6306558274 |
License history
| Date | File or call sign | Action |
|---|
| 2006-05-06 | KNNN272 | LIEXP |
| 2005-12-12 | KNNN272 | LETRES |
| 2003-08-19 | KNNN272 | LIAUA |
| 2002-07-01 | KNNN272 | AUDOPR |
| 2000-11-23 | KNNN272 | LICCNV |
| 2000-11-14 | KNNN272 | AUTHPR |
| 2000-11-14 | KNNN272 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1633040 | 2026-08-02 01:24:42 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KNNN272 | ULS 1633040 | 2026-08-02 01:24:42 |
| Status | E | ULS 1633040 | 2026-08-02 01:24:42 |
| Service | IG | ULS 1633040 | 2026-08-02 01:24:42 |
| Grant Date | 2000-11-14 | ULS 1633040 | 2026-08-02 01:24:42 |
| Expiration Date | 2006-03-05 | ULS 1633040 | 2026-08-02 01:24:42 |
| Cancellation Date | 2006-05-06 | ULS 1633040 | 2026-08-02 01:24:42 |