"I had an issue where I could only connect to my Pixhawk to flash it.
After about a week and a half of pulling out my already thinning hair trying everything under the sun and hours of research. I finally decided to reformat the SD card..... IT…"
"I use about 20m, but the area is flat and the tallest tree is about 15m also my "H" quad flies very level.
if I don't know the area I normally go at about 40m."