Universal Licensing System
WNAJ770
SSS Inc,
License details
| ULS identifier | 1579914 |
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| Call sign | WNAJ770 |
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| Radio service | GJ |
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| Status | A |
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| Grant date | 2021-07-14 |
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| Expiration | 2031-10-01 |
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| Frequency range | 815.5125 - 860.5125 MHz (2 frequencies) |
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| Locations | 3 |
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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 01:22:34 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 2 | 1 | FX1 | 815.51250000 | | | 35.000000 | 150.000000 | |
| 3 | 1 | MO | 815.51250000 | | | 5.000000 | 35.000000 | |
| 3 | 1 | MO | 815.51250000 | | | 35.000000 | 35.000000 | |
| 1 | 1 | FB2 | 860.51250000 | | | 125.000000 | 450.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 815.51250000 | | 20K0F3E |
| 3 | 1 | 815.51250000 | | 20K0F3E |
| 3 | 1 | 815.51250000 | | 20K0F3E |
| 1 | 1 | 860.51250000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 233 WACKER DRIVE - SEARS TOWER B, CHICAGO, COOK, IL | 41.87891667, -87.63616667 | 181.000 m | B | 521.000 m structure / 521.000 m overall | N |
| 2 | T | 1419 LAKE COOK ROAD, DEERFIELD, COOK, IL | 42.15225000, -87.86422222 | 205.000 m | BANT | 16.000 m structure / 16.000 m overall | N |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 452.000 m | | | | 447.000 | |
| 1 | 2 | T | | 16.000 m | | | | 16.000 | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 3000 DUNDEE Rd., NORTHBROOK, IL | COOK | 8479488768 |
License history
| Date | File or call sign | Action |
|---|
| 2021-09-09 | WNAJ770 | LIPASS |
| 2021-07-14 | WNAJ770 | LIREN |
| 2021-07-06 | WNAJ770 | LETRES |
| 2019-03-19 | WNAJ770 | LIASS |
| 2013-08-01 | WNAJ770 | LIAUA |
| 2013-07-31 | WNAJ770 | ESUAPR |
| 2013-01-26 | WNAJ770 | LIAUA |
| 2013-01-25 | WNAJ770 | ESCAPR |
| 2011-09-27 | WNAJ770 | LIREN |
| 2011-07-11 | WNAJ770 | LETRES |
| 2006-06-01 | WNAJ770 | LIMOD |
| 2006-05-25 | WNAJ770 | ESCAPR |
| 2006-02-16 | WNAJ770 | LIMOD |
| 2006-02-15 | WNAJ770 | ESCAPR |
| 2001-09-28 | WNAJ770 | LIREN |
| 2001-07-09 | WNAJ770 | LETRES |
| 2000-11-22 | WNAJ770 | LICCNV |
| 1998-03-13 | WNAJ770 | AUTHPR |
| 1998-03-13 | WNAJ770 | LIMOD |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1579914 | 2026-08-02 01:22:34 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WNAJ770 | ULS 1579914 | 2026-08-02 01:22:34 |
| Status | A | ULS 1579914 | 2026-08-02 01:22:34 |
| Service | GJ | ULS 1579914 | 2026-08-02 01:22:34 |
| Grant Date | 2021-07-14 | ULS 1579914 | 2026-08-02 01:22:34 |
| Expiration Date | 2031-10-01 | ULS 1579914 | 2026-08-02 01:22:34 |