He co-founded 3ECB Radio Eastern 98.1 FM in 1991 and continued as a presenter and EFL Sports announcer with them till his death.

He was born in Brighton to woolclasser Stewart Campbell McArthur and Phyllis Marguerite Darling.

In 1960 he worked as a radio announcer in Ballarat, and after a stint overseas spent two years in Hobart.

He was the Chairman of the Victorian Parliamentary Road Safely Committee when the .05 legislation was introduced in Victoria.

Peter along with Herb Lilburn and Gerald Smart formed Radio Eastern in 1974 and the three worked for 16 years doing test broadcasts(directly from the base of the radio tower) and lobbying the government until a permanent license was granted in 1990.