Universal Licensing System
WQXS639
TowerStream Corp
License details
| ULS identifier | 3816545 |
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| Call sign | WQXS639 |
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| Radio service | CF |
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| Status | C |
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| Grant date | 2016-05-26 |
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| Expiration | 2026-05-26 |
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| Cancellation | 2020-07-20 |
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| Frequency range | 17915 MHz |
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| Locations | 2 |
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| Representative location | CHICAGO, COOK, IL |
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| Coordinates | 41.9585556, -87.7441944 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:47:37 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 17915.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 17915.00000000 | | 50M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 4255 N KNOX AVE, CHICAGO, COOK, IL | 41.95855556, -87.74419444 | 188.000 m | B | 13.000 m structure / 13.000 m overall | |
| 2 | R | | 41.88461111, -87.62216667 | 177.700 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | COMMSCOPE VHLP3-18 | | V | 43.5000 | 129.0000 | | |
| 1 | 2 | R | COMMSCOPE VHLP2-18B | | | 38.9000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2020-07-21 | WQXS639 | LICAN |
| 2020-02-01 | WQXS639 | LITRAN |
| 2018-06-08 | WQXS639 | LIAUA |
| 2018-01-04 | WQXS639 | LIAUA |
| 2017-08-29 | WQXS639 | LETCNS |
| 2017-06-28 | WQXS639 | LIAUA |
| 2016-05-26 | WQXS639 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 3816545 | 2026-08-02 02:47:37 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQXS639 | ULS 3816545 | 2026-08-02 02:47:37 |
| Status | C | ULS 3816545 | 2026-08-02 02:47:37 |
| Service | CF | ULS 3816545 | 2026-08-02 02:47:37 |
| Grant Date | 2016-05-26 | ULS 3816545 | 2026-08-02 02:47:37 |
| Expiration Date | 2026-05-26 | ULS 3816545 | 2026-08-02 02:47:37 |
| Cancellation Date | 2020-07-20 | ULS 3816545 | 2026-08-02 02:47:37 |