Universal Licensing System
KSI20
AT&T CORP
License details
| ULS identifier | 965038 |
|---|
| Call sign | KSI20 |
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| Radio service | CF |
|---|
| Status | C |
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| Grant date | 1997-01-30 |
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| Expiration | 2000-02-01 |
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| Cancellation | 1999-08-26 |
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| Frequency range | 5945.2 - 6152.8 MHz (8 frequencies) |
|---|
| Locations | 2 |
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| Representative location | MENDOTA, LA SALLE, IL |
|---|
| Coordinates | 41.4975278, -89.1556389 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:48:12 |
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Licensee
| Name | AT&T CORP |
|---|
| Applicant type | C |
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| Location | ATLANTA, GA |
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| Address | 1200 PEACHTREE ST 15W24, ATLANTA, GA, 30309 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 5945.20000000 | | | | | |
| 1 | 2 | FXO | 5945.20000000 | | | | | |
| 1 | 3 | FXO | 5974.80000000 | | | | | |
| 1 | 4 | FXO | 5974.80000000 | | | | | |
| 1 | 1 | FXO | 6004.50000000 | | | | | |
| 1 | 2 | FXO | 6004.50000000 | | | | | |
| 1 | 3 | FXO | 6034.20000000 | | | | | |
| 1 | 4 | FXO | 6034.20000000 | | | | | |
| 1 | 1 | FXO | 6063.80000000 | | | | | |
| 1 | 2 | FXO | 6063.80000000 | | | | | |
| 1 | 3 | FXO | 6093.50000000 | | | | | |
| 1 | 4 | FXO | 6093.50000000 | | | | | |
| 1 | 1 | FXO | 6123.10000000 | | | | | |
| 1 | 2 | FXO | 6123.10000000 | | | | | |
| 1 | 3 | FXO | 6152.80000000 | | | | | |
| 1 | 4 | FXO | 6152.80000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 5945.20000000 | | 30M0A7W |
| 1 | 2 | 5945.20000000 | | 30M0A7W |
| 1 | 3 | 5974.80000000 | | 30M0A7W |
| 1 | 4 | 5974.80000000 | | 30M0A7W |
| 1 | 1 | 6004.50000000 | | 30M0A7W |
| 1 | 2 | 6004.50000000 | | 30M0A7W |
| 1 | 3 | 6034.20000000 | | 30M0A7W |
| 1 | 4 | 6034.20000000 | | 30M0A7W |
| 1 | 1 | 6063.80000000 | | 30M0A7W |
| 1 | 2 | 6063.80000000 | | 30M0A7W |
| 1 | 3 | 6093.50000000 | | 30M0A7W |
| 1 | 4 | 6093.50000000 | | 30M0A7W |
| 1 | 1 | 6123.10000000 | | 30M0A7W |
| 1 | 2 | 6123.10000000 | | 30M0A7W |
| 1 | 3 | 6152.80000000 | | 30M0A7W |
| 1 | 4 | 6152.80000000 | | 30M0A7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 4.0 MILES SSW OF, MENDOTA, LA SALLE, IL | 41.49752778, -89.15563889 | 219.200 m | | 81.700 m overall | |
| 2 | R | | 41.45586111, -88.62061111 | 236.800 m | | | |
| 3 | R | | 41.31725000, -89.64508333 | 256.300 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | H | 43.0000 | 95.7000 | | |
| 1 | 2 | R | | | | 43.0000 | | | |
| 1 | 3 | R | | | | 43.0000 | | | |
| 2 | 1 | T | | | V | 43.0000 | 244.1000 | | |
| 2 | 2 | R | | | | 43.0000 | | | |
| 2 | 3 | R | | | | 43.0000 | | | |
| 3 | 1 | T | | | V | 43.0000 | 95.7000 | | |
| 4 | 1 | T | | | H | 43.0000 | 244.1000 | | |
License history
| Date | File or call sign | Action |
|---|
| 1999-10-01 | KSI20 | LICAN |
| 1999-08-13 | KSI20 | LICCNV |
| 1997-01-30 | KSI20 | LIMOD |
| 1990-01-16 | KSI20 | LIREN |
| 1987-02-25 | KSI20 | LIMOD |
| 1986-02-27 | KSI20 | LIMOD |
| 1985-02-08 | KSI20 | APGRT |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 965038 | 2026-08-02 02:48:12 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KSI20 | ULS 965038 | 2026-08-02 02:48:12 |
| Status | C | ULS 965038 | 2026-08-02 02:48:12 |
| Service | CF | ULS 965038 | 2026-08-02 02:48:12 |
| Grant Date | 1997-01-30 | ULS 965038 | 2026-08-02 02:48:12 |
| Expiration Date | 2000-02-01 | ULS 965038 | 2026-08-02 02:48:12 |
| Cancellation Date | 1999-08-26 | ULS 965038 | 2026-08-02 02:48:12 |