Universal Licensing System
WQZC517
Global Data Link, Inc
License details
| ULS identifier | 3907496 |
|---|
| Call sign | WQZC517 |
|---|
| Radio service | MG |
|---|
| Status | A |
|---|
| Grant date | 2017-04-05 |
|---|
| Expiration | 2027-04-05 |
|---|
| Frequency range | 21575 - 21675 MHz (2 frequencies) |
|---|
| Locations | 2 |
|---|
| Representative location | SAN FRANCISCO, SAN FRANCISCO, CA |
|---|
| Coordinates | 37.7827778, -122.4088889 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:43:07 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 21575.00000000 | | | | | |
| 1 | 2 | FXO | 21575.00000000 | | | | | |
| 1 | 1 | FXO | 21675.00000000 | | | | | |
| 1 | 2 | FXO | 21675.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 21575.00000000 | | 47M3D7W |
| 1 | 1 | 21575.00000000 | | 47M3D7W |
| 1 | 1 | 21575.00000000 | | 47M3D7W |
| 1 | 1 | 21575.00000000 | | 47M3D7W |
| 1 | 1 | 21575.00000000 | | 47M3D7W |
| 1 | 1 | 21575.00000000 | | 47M3D7W |
| 1 | 1 | 21575.00000000 | | 47M3D7W |
| 1 | 1 | 21575.00000000 | | 47M3D7W |
| 1 | 1 | 21575.00000000 | | 47M3D7W |
| 1 | 2 | 21575.00000000 | | 47M3D7W |
| 1 | 2 | 21575.00000000 | | 47M3D7W |
| 1 | 2 | 21575.00000000 | | 47M3D7W |
| 1 | 2 | 21575.00000000 | | 47M3D7W |
| 1 | 2 | 21575.00000000 | | 47M3D7W |
| 1 | 2 | 21575.00000000 | | 47M3D7W |
| 1 | 2 | 21575.00000000 | | 47M3D7W |
| 1 | 2 | 21575.00000000 | | 47M3D7W |
| 1 | 2 | 21575.00000000 | | 47M3D7W |
| 1 | 1 | 21675.00000000 | | 47M3D7W |
| 1 | 1 | 21675.00000000 | | 47M3D7W |
| 1 | 1 | 21675.00000000 | | 47M3D7W |
| 1 | 1 | 21675.00000000 | | 47M3D7W |
| 1 | 1 | 21675.00000000 | | 47M3D7W |
| 1 | 1 | 21675.00000000 | | 47M3D7W |
| 1 | 1 | 21675.00000000 | | 47M3D7W |
| 1 | 1 | 21675.00000000 | | 47M3D7W |
| 1 | 1 | 21675.00000000 | | 47M3D7W |
| 1 | 2 | 21675.00000000 | | 47M3D7W |
| 1 | 2 | 21675.00000000 | | 47M3D7W |
| 1 | 2 | 21675.00000000 | | 47M3D7W |
| 1 | 2 | 21675.00000000 | | 47M3D7W |
| 1 | 2 | 21675.00000000 | | 47M3D7W |
| 1 | 2 | 21675.00000000 | | 47M3D7W |
| 1 | 2 | 21675.00000000 | | 47M3D7W |
| 1 | 2 | 21675.00000000 | | 47M3D7W |
| 1 | 2 | 21675.00000000 | | 47M3D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 939 Market St, SAN FRANCISCO, SAN FRANCISCO, CA | 37.78277778, -122.40888889 | 17.900 m | LTOWER | 15.000 m structure / 16.000 m overall | |
| 2 | R | | 37.79277778, -122.40361111 | 43.000 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | RFS SC2-220A | | V | 41.0000 | 22.6000 | | |
| 1 | 2 | R | RFS SC2-220A | | | 41.0000 | | | |
| 2 | 1 | T | RFS SC2-220A | | H | 41.0000 | 22.6000 | | |
| 2 | 2 | R | RFS SC2-220A | | | 41.0000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2018-07-10 | WQZC517 | LETCNS |
| 2017-04-05 | WQZC517 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 3907496 | 2026-08-02 02:43:07 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQZC517 | ULS 3907496 | 2026-08-02 02:43:07 |
| Status | A | ULS 3907496 | 2026-08-02 02:43:07 |
| Service | MG | ULS 3907496 | 2026-08-02 02:43:07 |
| Grant Date | 2017-04-05 | ULS 3907496 | 2026-08-02 02:43:07 |
| Expiration Date | 2027-04-05 | ULS 3907496 | 2026-08-02 02:43:07 |