Universal Licensing System
KSX271
Superior Air Ground Ambulance Inc.
License details
| ULS identifier | 1638550 |
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| Call sign | KSX271 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2022-07-18 |
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| Expiration | 2032-05-27 |
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| Frequency range | 461.025 - 466.025 MHz (2 frequencies) |
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| Locations | 5 |
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| Representative location | OTTAWA, LA SALLE, IL |
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| Coordinates | 41.4075278, -88.8056389 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-09 03:10:23 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 461.02500000 | | | 75.000000 | 150.000000 | |
| 2 | 1 | FB2 | 461.02500000 | | | 75.000000 | 150.000000 | |
| 4 | 1 | MO | 461.02500000 | | | 75.000000 | | |
| 5 | 1 | MO | 461.02500000 | | | 75.000000 | | |
| 3 | 1 | FX1 | 466.02500000 | | | 25.000000 | | |
| 4 | 1 | MO | 466.02500000 | | | 75.000000 | | |
| 5 | 1 | MO | 466.02500000 | | | 75.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 461.02500000 | | 11K0F3E |
| 2 | 1 | 461.02500000 | | 11K0F3E |
| 4 | 1 | 461.02500000 | | 11K0F3E |
| 5 | 1 | 461.02500000 | | 11K0F3E |
| 3 | 1 | 466.02500000 | | 11K0F3E |
| 4 | 1 | 466.02500000 | | 11K0F3E |
| 5 | 1 | 466.02500000 | | 11K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 2.4 K N 2.7K E & 1.6K N, OTTAWA, LA SALLE, IL | 41.40752778, -88.80563889 | 196.000 m | TOWER | 59.000 m structure / 59.000 m overall | N |
| 2 | T | 722 N WALNUT ST, ELMHURST, COOK, IL | 41.92058333, -87.95088889 | 210.000 m | B | 34.000 m structure / 36.000 m overall | N |
| 3 | T | IL | | | | | |
| 4 | T | | | | | | |
| 5 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 59.000 m | | | | 0.000 | |
| 1 | 2 | T | | 36.000 m | | | | 0.000 | |
| 1 | 3 | T | | | | | | | |
| 1 | 4 | T | | | | | | | |
| 1 | 5 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 395 W LAKE, ELMHURST, IL | DUPAGE | 8007679080 |
License history
| Date | File or call sign | Action |
|---|
| 2022-07-18 | KSX271 | LIREN |
| 2022-02-28 | KSX271 | LETRES |
| 2018-04-06 | KSX271 | LIAUA |
| 2016-05-23 | KSX271 | LIMOD |
| 2012-09-11 | KSX271 | LIREN |
| 2012-06-25 | KSX271 | ESUAPR |
| 2012-03-05 | KSX271 | LETRES |
| 2010-11-15 | KSX271 | LIMOD |
| 2010-10-13 | KSX271 | ESUAPR |
| 2002-04-28 | KSX271 | LIAUA |
| 2002-03-27 | KSX271 | LIREN |
| 2002-03-04 | KSX271 | LETRES |
| 2001-12-10 | KSX271 | AUDOPR |
| 2000-11-23 | KSX271 | LICCNV |
| 1997-07-18 | KSX271 | LIMOD |
| 1997-07-18 | KSX271 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1638550 | 2026-08-09 03:10:23 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KSX271 | ULS 1638550 | 2026-08-09 03:10:23 |
| Status | A | ULS 1638550 | 2026-08-09 03:10:23 |
| Service | IG | ULS 1638550 | 2026-08-09 03:10:23 |
| Grant Date | 2022-07-18 | ULS 1638550 | 2026-08-09 03:10:23 |
| Expiration Date | 2032-05-27 | ULS 1638550 | 2026-08-09 03:10:23 |