Universal Licensing System
WQDZ521
Williams Energy Services
License details
| ULS identifier | 2768247 |
|---|
| Call sign | WQDZ521 |
|---|
| Radio service | MG |
|---|
| Status | A |
|---|
| Grant date | 2025-09-20 |
|---|
| Expiration | 2035-12-07 |
|---|
| Frequency range | 928.59375 - 952.59375 MHz (2 frequencies) |
|---|
| Locations | 1 |
|---|
| Representative location | Offshore, GM |
|---|
| Coordinates | 29.6068611, -88.7972222 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:47:02 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 3 | FXO | 928.59375000 | | | | | |
| 1 | 1 | FXO | 952.59375000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 3 | 928.59375000 | | 12K5F3D |
| 1 | 1 | 952.59375000 | | 12K5F3D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Main Pass 102, Offshore, GM | 29.60686111, -88.79722222 | 0.000 m | RIG | 50.000 m structure / 55.000 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Scala SL11-940/DT2 | | H | 13.5000 | 360.0000 | | |
| 2 | 1 | R | Scala TY-900 | | | 12.1000 | | | |
| 3 | 1 | T | Scala TY-900 | | H | 12.1000 | 999.0000 | | |
| 4 | 1 | R | Scala SL11-940/DT2 | | | 13.5000 | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 5400 Westheimer Court, Houston, TX | HARRIS | 7136275229 |
Special conditions
| Type | Condition code |
|---|
| P | 1035 |
| P | 4020 |
License history
| Date | File or call sign | Action |
|---|
| 2025-09-20 | WQDZ521 | LIREN |
| 2025-09-15 | WQDZ521 | LETRES |
| 2024-07-26 | WQDZ521 | LIASS |
| 2015-10-17 | WQDZ521 | LIREN |
| 2015-10-16 | WQDZ521 | ESUAPR |
| 2015-09-14 | WQDZ521 | LETRES |
| 2007-01-31 | WQDZ521 | LIAUA |
| 2007-01-30 | WQDZ521 | ESUAPR |
| 2007-01-04 | WQDZ521 | LIAUA |
| 2007-01-03 | WQDZ521 | ESUAPR |
| 2007-01-02 | WQDZ521 | LITRAN |
| 2006-04-03 | WQDZ521 | LITRAN |
| 2005-12-07 | WQDZ521 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2768247 | 2026-08-02 02:47:02 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQDZ521 | ULS 2768247 | 2026-08-02 02:47:02 |
| Status | A | ULS 2768247 | 2026-08-02 02:47:02 |
| Service | MG | ULS 2768247 | 2026-08-02 02:47:02 |
| Grant Date | 2025-09-20 | ULS 2768247 | 2026-08-02 02:47:02 |
| Expiration Date | 2035-12-07 | ULS 2768247 | 2026-08-02 02:47:02 |