Profile: Goodson & Assocs., Inc. is a manufacturer of infrared trail monitoring equipment. TM1550-PS is a second generation two-piece active infrared trail monitoring system which uses an invisible infrared beam across the trail between the transmitter and receiver. It has advanced camera controls available. This patented TrailMaster system provides a monitor which is easy to align, but one with selective sensitivity to allow monitoring the movement of specific game. The TM1550-PS second generation two-piece active infrared trail monitor and its accessories are the standard by which all other trail monitors are measured. Two-piece active infrared technology sets the standard in trail monitoring technologies.