ECDIS - How to choose the correct database for electronic navigation charts??

[@toxicwasteiiokyay]

Thank you sir. I am still a student but learning tons of stuffs from the videos. I appreciated it

[@jeraldvittalis]

Sir good information can you make video about how to find swell direction. In opens sea

[@adarshshetty2479]

Sir can you make video on Various error of GPS, Working principle of DGPS and its limitations..thank you