Wayne Parham Messages: 18787 Registered: January 2001
Illuminati (33rd Degree)
Do some searches here. You'll find lots of good information on everything from systems and equipment available to technical discussions and principles and processes, advantages and disadvantages to different methods and stimulus signal types, etc. There are also online tutorials and experts frequently check there for posts with questions. Ask anything you want and it'll get answered.
By the way, the inventor of the Smith & Larson measurement systems is an array enthusiast and he is one of the experts that regularly checks in here.