Woolpert Acquires eTrac Inc.
Woolpert Acquires eTrac Inc., a Vessel-Based Hydrographic Survey Firm Headquartered in California This merger combines complementary marine technology products and services to better serve U.S. and…
Vessel Of Opportunity "VOOP"
eTrac travels nationally and internationally for our clients & jobs. Since our field of work occasionally needs a vessel, we regularly work with "Vessels of Opportunity",…
Berry Glacier Survey
eTrac recently surveyed a body of water no surveyor has been before! The body of water was created from an eroding glacier (Berry Glacier). Check out…
Safety Comes First
eTrac utilizes ISNetworld’s (ISN) Review and Verification Services for independent review and continuous improvement of our Safety Program. As a global leader in contractor management services,…
Ocean Cleanup
The Ocean Cleanup has issued an extensive update on their website announcing the assembly of their first cleanup system and upcoming tow test that will take…
Glen Canyon Dam 3D Model
This past summer, eTrac teamed up with Autodesk and R2Sonic to collect data using LiDAR, photogrammetry, and sonar technology to create a 3D model of the…
Beauty on the Bay
eTrac has office locations in California, Washington and Alaska where project planning, data processing, and product generation occurs. We also staff our “mobile offices”, the vessels…
Watch the Bay Bridge Demolition
Watch the Bay Bridge Demolition LIVE on YouTube. Bay Bridge Demolition – 110216 – 288 Removal – Oakland Side [supsystic-social-sharing id='1']
Remote Surveys at Glen Canyon Dam
eTrac has designed and built a new remotely controlled survey craft: S/V ROVer! This compact, versatile, and highly transportable Remote Operated Vessel is indeed a surveyor’s…
Searching for Hidden Treasures
Recently, eTrac teamed up with the National Park Service to perform surveys around Torpedo Wharf in the San Francisco Bay in preparation for restoration efforts on…
Maintenance Survey of a Breakwall
eTrac provides high resolution imagery on breakwalls to help keep them maintained. Breakwalls are often constructed atop moveable material which requires them to be constantly monitored…
Demolition of the East Span of the Bay Bridge
Utilizing positioning equipment installed and supported by eTrac, crews have begun to carefully dismantle nearly 2 miles of the 77-year old East Span of the Bay…
Channel Migration in Dillingham, AK
eTrac assisted the USACE in monitoring the migration of the main channel of the Nushagak River by Dillingham, providing the first full multibeam survey of the…
Object Detection in the Bay
eTrac performed an object detection survey in the Bay Area where many underwater obstructions were found including a car, multiple boats, and the remnants of a…
Colombia says treasure-laden San Jose galleon found
From mapping shipping channels to finding sunken treasure ships – the applications of hydrographic survey are limitless! To read more about Columbia’s recent discovery, click here.…
Big Changes for the Bay Bridge
Sonar imagery of the seabed and structure of the Bay Bridge pier before the implosion and post-implosion. Apparent success for the first of a dozen or…
NOAA Charting in the Gulf of Mexico
In early 2015, eTrac Inc. was awarded a contract to map approximately 80 Sq. nautical miles within the Gulf of Mexico. The survey effort focused on…
Multibeam Survey of Humboldt Ocean Disposal Site
eTrac completed a multibeam survey of the Humboldt Ocean Disposal site approximately 10 miles offshore. Mulitbeam and snippets data were collected on an R2 2024 down…
BEAMS in the Bay
eTrac hosted 8 students from the College of Charleston’s BEAMS (BEnthic Acoustic Mapping and Survey) Program to conduct a survey of Raccoon Strait in the San…
San Francisco Bay Bridge
Multibeam hydrographic surveys have been conducted around a pier of the San Francisco Bay Bridge in preparation for further bridge deconstruction. Multibeam data was acquired using…
