PP and JWH , Bert Bryant definitely called on what was known at the time as the " Greater 3UZ". His understudy was John Russell, and the third in line was Bryan Martin. Their calls were relayed through the Macquarie network with John Tapp in Sydney : Vince Curry in Brisbane . Their main rivals from memory were Des Hoysted at 2UE, Bill Collins at 3DB and Keith Noud at 4BK. The ABC had Joe Brown in Melbourne, Geoff Mahoney in Sydney and Larry Pratt in Brisbane. An absolute golden age of race broadcasting.