Universal Licensing System
KSF321
NICOR GAS
License details
| ULS identifier | 1887948 |
|---|
| Call sign | KSF321 |
|---|
| Radio service | IG |
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| Status | A |
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| Grant date | 2023-09-14 |
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| Expiration | 2033-10-12 |
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| Frequency range | 451.075 - 456.075 MHz (3 frequencies) |
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| Locations | 2 |
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| Representative location | CREST HILL, WILL, IL |
|---|
| Coordinates | 41.5672500, -88.1195000 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:16:53 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 451.07500000 | | | 20.000000 | 90.000000 | |
| 1 | 2 | FB2 | 451.07500000 | | | 90.000000 | 250.000000 | |
| 1 | 1 | FXO | 451.22500000 | | | 20.000000 | 90.000000 | |
| 1 | 2 | FB2 | 451.22500000 | | | 90.000000 | 250.000000 | |
| 2 | 1 | MO | 456.07500000 | | | 20.000000 | 20.000000 | |
| 2 | 1 | MO | 456.22500000 | | | 20.000000 | 20.000000 | |
| 2 | 1 | MO | 466.17500000 | | | 20.000000 | 20.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.07500000 | | 11K2F2D |
| 1 | 2 | 451.07500000 | | 11K2F3E |
| 1 | 2 | 451.07500000 | | 11K2F1D |
| 1 | 1 | 451.22500000 | | 11K2F2D |
| 1 | 2 | 451.22500000 | | 11K2F3E |
| 1 | 2 | 451.22500000 | | 11K2F1D |
| 2 | 1 | 456.07500000 | | 11K2F2D |
| 2 | 1 | 456.22500000 | | 11K2F2D |
| 2 | 1 | 466.17500000 | | 11K2F1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | WEBER RD & CATON FARM RD, CREST HILL, WILL, IL | 41.56725000, -88.11950000 | 198.000 m | | 79.000 m structure / 79.000 m overall | N |
| 2 | T | | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 76.000 m | | | | 84.600 | |
| 1 | 2 | T | | | | | | | |
| 2 | 1 | T | | 79.000 m | | | | 84.600 | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1844 FERRY RD, NAPERVILLE, IL | DUPAGE | 7089838888 |
License history
| Date | File or call sign | Action |
|---|
| 2023-09-14 | KSF321 | LIREN |
| 2016-07-01 | KSF321 | LITRAN |
| 2016-02-23 | KSF321 | ESCAPR |
| 2014-09-05 | KSF321 | LIMOD |
| 2013-09-21 | KSF321 | LIREN |
| 2013-07-22 | KSF321 | LETRES |
| 2011-12-09 | KSF321 | LITRAN |
| 2011-10-27 | KSF321 | LIMOD |
| 2011-10-17 | KSF321 | LTSAPR |
| 2011-09-29 | KSF321 | LTSAPR |
| 2003-08-14 | KSF321 | LIREN |
| 2003-07-21 | KSF321 | LETRES |
| 2002-11-25 | KSF321 | LETCNS |
| 2002-05-14 | KSF321 | AUDOPR |
| 2002-02-25 | KSF321 | LIMOD |
| 2000-11-24 | KSF321 | LICCNV |
| 1998-08-03 | KSF321 | LIREN |
| 1998-08-03 | KSF321 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1887948 | 2026-08-02 01:16:53 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KSF321 | ULS 1887948 | 2026-08-02 01:16:53 |
| Status | A | ULS 1887948 | 2026-08-02 01:16:53 |
| Service | IG | ULS 1887948 | 2026-08-02 01:16:53 |
| Grant Date | 2023-09-14 | ULS 1887948 | 2026-08-02 01:16:53 |
| Expiration Date | 2033-10-12 | ULS 1887948 | 2026-08-02 01:16:53 |