"The Story of 547 Signal Troop in South Vietnam 1966 to 1972", by Robert (Bob) Hartley AM and Barry Hampstead

"The Story of 547 Signal Troop in South Vietnam 1966 to 1972", by Robert (Bob) Hartley, AM and Barry Hampstead. The manuscript tells the story of the unit, including its establishment, training, deployment, personnel, general life and operations while in Vietnam, the withdrawal, and return to Australia. The manuscript contains images, maps, operational information and equipment as well as first hand accounts of soldiers' experiences.

The first edition, written in 2014 consists of one volume. For ease of printing and access, the second edition updated in 2016 consists of 6 volumes:
Book 1: 1966
Book 2: 1967 - 1968
Book 3: 1969 - 1970
Book 4: 1971 -
Book 5: Annexes A-I
Book 6: Annexes J-W
A digital version of the second edition is also available.

In September 2018, members of 547 Signal Troop were awarded the Republic of Vietnam Cross of Gallantry with Palm Unit Citation in recognition of the military assistance provided to the former Republic of Vietnam (South Vietnam) while under the operational command of the United States Military Assistance Command (MACV) Army Security Agency’s 509th Radio Research Group. The troop’s deployment to Vietnam included responsibility for direct support to the Australian Task Force and American units operating under the US II Field Force Vietnam command.