MFJVERSATUNERV MODELMFJ-989B OWNER'SMANUAL CAUTION:ReadAllInstructionsBeforeOperatingEquipment. MFJENTERPRISES,INC. P.O.BOX494,MISSISSIPPISTATE,MS.3976",USA MFJ-989B INSTRUCTION TheMFJ-989BVersaTunerVisdesignedforuseinhighpower amateurtransmittinginstallationsupto3KWPEP. ...