Universal Licensing System
KZF614
GERTSEN INTERSTATE SYSTEMS INC
License details
| ULS identifier | 1643240 |
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| Call sign | KZF614 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1996-03-20 |
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| Expiration | 2001-01-10 |
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| Cancellation | 2001-03-18 |
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| Frequency range | 472.6375 MHz |
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| Locations | 1 |
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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 01:28:04 |
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Licensee
| Name | GERTSEN INTERSTATE SYSTEMS INC |
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| Applicant type | U |
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| Location | MELROSE PARK, IL |
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| Address | 3000 HIRSCH ST, MELROSE PARK, IL, 60160 |
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| Phone | 7083435220 |
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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 | FB2 | 472.63750000 | | | 75.000000 | 102.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
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| 1 | 1 | 472.63750000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | 233 WACKER DR, CHICAGO, COOK, IL | 41.87891667, -87.63616667 | 181.000 m | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | 66.000 m | | | | 368.000 | |
Control points
| Number | Address | County | Phone |
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| 1 | 3000 HIRSCH ST, MELROSE PARK, IL | | 7083435220 |
License history
| Date | File or call sign | Action |
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| 2001-03-18 | KZF614 | LIEXP |
| 2000-11-23 | KZF614 | LICCNV |
| 2000-10-11 | KZF614 | LETRES |
| 1996-03-20 | KZF614 | LIREN |
| 1996-03-20 | KZF614 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1643240 | 2026-08-02 01:28:04 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | KZF614 | ULS 1643240 | 2026-08-02 01:28:04 |
| Status | E | ULS 1643240 | 2026-08-02 01:28:04 |
| Service | IG | ULS 1643240 | 2026-08-02 01:28:04 |
| Grant Date | 1996-03-20 | ULS 1643240 | 2026-08-02 01:28:04 |
| Expiration Date | 2001-01-10 | ULS 1643240 | 2026-08-02 01:28:04 |
| Cancellation Date | 2001-03-18 | ULS 1643240 | 2026-08-02 01:28:04 |