The Model VT-1 sodar system is greatly simplified compared to other sodar systems on the market heretofore.  The above photo is a close-up view of the Model VT-1 circuit boards and transmit amplifier located inside the electronics compartment.  The circuit boards include an interface board, a transmit board, two distribution boards and a receive board.  Aside from a laptop computer, this constitutes all of the supporting electronics associated with the Model VT-1.