Found 3083 results
Sort by

S-44 and the systematic error

IHO standard S-44 is often used (or misused) to specify the quality of a hydrographic survey. While it is a useful tool, it is easy to misinterpret. One ‘misuse’ is...

Read more

Before and After Satellite Imagery

The impact of the catastrophic tsunami that inundated the coast of Japan in the aftermath of the 11th March earthquake is plain to see on comparison satellite images made before...

Read more

GPS Satellite 20 Years On-orbit

GPS Block IIA-10 (SVN-23), built by Boeing (formerly Rockwell Corporation), was launched on 26 November 1990 and set healthy to navigation and timing users on 10th December 1990. The satellite...

Read more

Ocean Survey 20/20 Resumes

Hopes are high that marine life previously unrecorded in New Zealand will be found during the second phase of the three-vessel Ocean Survey 20/20 Bay of Islands project. The survey...

Read more

SOUTH

SOUTH Marine Division, specializing in hydrography and marine survey, is actually a subsidiary of SOUTH Survey Group, a leading Chinese giant manufacturer in the geo-spatial industry.  With 35 years of...

Read more