Pengy they are called wind flags if you are on a budget, anything more complicated and I have no clue. However there is work being done using drones for the military and gear that can see the...
Type: Posts; User: Dermastor
Pengy they are called wind flags if you are on a budget, anything more complicated and I have no clue. However there is work being done using drones for the military and gear that can see the...