Universal Licensing System
WQYZ743
TowerStream Corp
License details
| ULS identifier | 3899789 |
|---|
| Call sign | WQYZ743 |
|---|
| Radio service | CF |
|---|
| Status | A |
|---|
| Grant date | 2017-03-14 |
|---|
| Expiration | 2027-03-14 |
|---|
| Frequency range | 19375 - 19625 MHz (2 frequencies) |
|---|
| Locations | 2 |
|---|
| Representative location | Chicago, COOK, IL |
|---|
| Coordinates | 41.8597500, -87.6380278 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-17 04:25:39 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 19375.00000000 | | | | | |
| 1 | 1 | FXO | 19375.00000000 | | | | | |
| 1 | 1 | FXO | 19375.00000000 | | | | | |
| 1 | 1 | FXO | 19375.00000000 | | | | | |
| 1 | 1 | FXO | 19375.00000000 | | | | | |
| 1 | 1 | FXO | 19375.00000000 | | | | | |
| 1 | 1 | FXO | 19625.00000000 | | | | | |
| 1 | 1 | FXO | 19625.00000000 | | | | | |
| 1 | 1 | FXO | 19625.00000000 | | | | | |
| 1 | 1 | FXO | 19625.00000000 | | | | | |
| 1 | 1 | FXO | 19625.00000000 | | | | | |
| 1 | 1 | FXO | 19625.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 19375.00000000 | | 42M6D7W |
| 1 | 1 | 19375.00000000 | | 45M2D7W |
| 1 | 1 | 19375.00000000 | | 45M8D7W |
| 1 | 1 | 19375.00000000 | | 45M8D7W |
| 1 | 1 | 19375.00000000 | | 47M8D7W |
| 1 | 1 | 19375.00000000 | | 47M1D7W |
| 1 | 1 | 19625.00000000 | | 42M6D7W |
| 1 | 1 | 19625.00000000 | | 45M2D7W |
| 1 | 1 | 19625.00000000 | | 45M8D7W |
| 1 | 1 | 19625.00000000 | | 45M8D7W |
| 1 | 1 | 19625.00000000 | | 47M8D7W |
| 1 | 1 | 19625.00000000 | | 47M1D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1601 S CANAL STREET, Chicago, COOK, IL | 41.85975000, -87.63802778 | 180.000 m | B | 24.000 m structure / 24.000 m overall | |
| 2 | R | | 41.88416667, -87.62558333 | 180.000 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | COMMSCOPE VHLP2-18C | | H | 39.0000 | 20.9000 | | |
| 1 | 2 | R | COMMSCOPE VHLP2-18C | | | 39.0000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2020-02-01 | WQYZ743 | LITRAN |
| 2018-06-19 | WQYZ743 | LETCNS |
| 2018-06-08 | WQYZ743 | LIAUA |
| 2018-01-04 | WQYZ743 | LIAUA |
| 2017-06-28 | WQYZ743 | LIAUA |
| 2017-03-14 | WQYZ743 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 3899789 | 2026-08-17 04:25:39 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQYZ743 | ULS 3899789 | 2026-08-17 04:25:39 |
| Status | A | ULS 3899789 | 2026-08-17 04:25:39 |
| Service | CF | ULS 3899789 | 2026-08-17 04:25:39 |
| Grant Date | 2017-03-14 | ULS 3899789 | 2026-08-17 04:25:39 |
| Expiration Date | 2027-03-14 | ULS 3899789 | 2026-08-17 04:25:39 |