The Tesoro Lobo SuperTRAQ detector was released in 1997 and was discontinued in 2019. It is also referred to as the Lobo ST. I have had some experience with the Lobo over the years and have seen a lot of gold found with it. See Detecting for Gold with the Tesoro Lobo and Metal Detecting for Gold at Ganes Creek, Alaska at Steve's Mining Journal. The Tesoro Lobo SuperTRAQ replaced the earlier Tesoro Lobo, which was produced from 1989 - 1997. The main difference between the two units is that t