Profile: Southern Technologies Corp. is a manufacturer of railroad equipment and AEI reporting systems. Our product line includes defect detection systems, automatic equipment identification (AEI) and integrated defect detection & AEI systems. Our next generation defect detector is equipped 19.2 K modem, series overlay track circuit for presence detection, internal 5 watt & 8 channel radio with surge protection, internal DTMF decoder to enable rebroadcast of last message. Our magnetic transducer provide all of the timing signals required for calculation of train presence, speed, length, direction, axle count, and synchronization of data capture from wheel and bearing scanners.