sentences:  JD has been pivotal in CB radio in Sydney, as he has been the driving force behind several other well-known repeaters, such as VMG3 at Appin/Razorback and VMC4 at Port Kembla as well as VMB7 Mt Bindo (never commissioned) and an AUSTRALIA Wide Transportable UHF CB Repeater licensed to operate from channels 1–8.Jason (JD) also provided a voice call sign sample for VMB4 in Newcastle.At one point in time it was said that he held a monopoly on CB repeater licenses in Sydney, as he owned three repeaters, all within 100 km of each other, at a time when no other licenses were available.