Even then you still need to post process trajectory and correct lidar points between each flight path. I usually scan from the air with lidar, PPK gnss with a KVH 1750 IMU. From some of the old posts here there was mention of post processing gnss data.
So for a lot of detail requires lots of tracks. Problem is while it creates pretty data on the Android device, it only outputs depth in a csv file format. GPS corrections come in at 20Hz while the Chirp scans at 15Hz. The tablet is being location GPS spoofed with RTK corrected. Everything pertaining to autonomous boat scanning brings up cagy questions for 2016 at best lol! So I'll lay it out, no cagy questions : ) I've got a Pixhawk controlled bathy boat with a Deeper Chirp 2 sonar (don't laugh) recording to a android tablet via wifi. Been researching an upgrade to my Deeper Chirp2, but I'm getting nowhere.
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