Just so people know what Gerry is referring to: "Featuring a 50% increase in coil voltage over previous models along with an all-new XGB ground balance system, take your prospecting to new depths with the Goldmaster 24k. This machine represents a new generation of VLF detection technology, with features that both sourdough and greenhorn prospectors can appreciate. Starting with the industry-standard 48 kHz operating frequency, we’ve packed all the necessities into one package to put you on