WIND MEASUREMENT USING MET MAST Met Mast Side Boom Length Calculator Select Mast Type: Square (Sharp Edges) Square (Round Members) Triangular (Round Members) Solidity Ratio (S): Calculate CT CT: -- Mast Width (Lm) [m]: Horizontal Distance (Rd) [m]: Calculate Wind Speed Deficit (Ud) Ud: --% Desired Wind Speed Deficit (Ud) [%]: Required Boom Length (Rd) Required Rd: -- m