Recent posts
View all
RTK
RTK vs. PPK: Choosing the Right Positioning Method for Hydrographic Surveys
Introduction: In hydrography, achieving precise X, Y, and Z coordinates is the backbone of any project. Two primary methods dominate the industry: R…
Read more
Monitoring
Real-Time QC Monitoring in HYPACK: Monitoring HDOP and Fixed RTK for Accurate Surveying
Introduction: During a live hydrographic survey, watching the depth pings is not enough. You must monitor the quality of your positioning data in re…
Read more
SVP
The Impact of Sound Velocity Profile (SVP) on Depth Accuracy
Introduction: In hydrographic surveys, echo sounders calculate depth based on the travel time of sound pulses. However, sound doesn't always tra…
Read more
Vessel Offsets
The Critical Role of Vessel Offsets in Hydrographic Survey Accuracy
Introduction: In hydrographic surveying, when we measure water depth, our GNSS antenna is positioned high above the vessel while the echo sounder…
Read more.jpeg)
NMEA Tutorial
Understanding NMEA Data Strings in Hydrographic Surveying
In hydrographic surveying, seamless communication between sensors and software is vital. Most marine electronics use the NMEA 0183 standard to trans…
Read more
Social Plugin