Universal Licensing System
WDF4689
Advanced Seismic Technology, Inc.
License details
| ULS identifier | 3201890 |
|---|
| Call sign | WDF4689 |
|---|
| Radio service | SA |
|---|
| Status | E |
|---|
| Grant date | 2010-05-29 |
|---|
| Expiration | 2020-05-29 |
|---|
| Cancellation | 2020-08-01 |
|---|
| Source archive | l_ship.zip |
|---|
| Dataset refreshed | 2026-08-02 02:56:53 |
|---|
Licensee
| Name | Advanced Seismic Technology, Inc. |
|---|
| Applicant type | C |
|---|
| FRN | 0019875962 |
|---|
| Location | Houston, TX |
|---|
| Address | 1500 City West Blvd., Suite 800, Houston, TX, 77042 |
|---|
License history
| Date | File or call sign | Action |
|---|
| 2020-08-01 | WDF4689 | LIEXP |
| 2020-03-02 | WDF4689 | LETRES |
| 2010-05-29 | WDF4689 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 3201890 | 2026-08-02 02:56:53 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WDF4689 | ULS 3201890 | 2026-08-02 02:56:53 |
| Status | E | ULS 3201890 | 2026-08-02 02:56:53 |
| Service | SA | ULS 3201890 | 2026-08-02 02:56:53 |
| Grant Date | 2010-05-29 | ULS 3201890 | 2026-08-02 02:56:53 |
| Expiration Date | 2020-05-29 | ULS 3201890 | 2026-08-02 02:56:53 |
| Cancellation Date | 2020-08-01 | ULS 3201890 | 2026-08-02 02:56:53 |