about gssi radar sir-20

[whereisdog]

i have a sir-20 radar that has a .dzt file , when i use it treasure the deepth of the highway surface it need to do a "airwave" dzt file before the genuinet treasure .
now i wonder how can i use the airwave dzt file to flat the road surface when i analysis the genuinet treasure file
!!!!!! i need a arithmetic

[AMorgan]

no, u needs engrish!

[Salvor6]

Morgan you are hilarious!