Left: Privates Rosemary Nolan, Betty Renshaw, and Sue Orr send teletype messages. Girl Signallers Helped In Floods - Most of the W.R.A.A.Cs. had previously done a year's course at Victoria Barracks in basic Army training. The course at George's Heights lasted eight months and consisted of instruction in wireless, switchboard and teletype operating under the direction of Eastern Command Signal Squadron C.O. Major H.J. Trick.During the floods the radio operators worked in shifts around the clock keeping in touch with Army units in the flood areas. March 13, 1955.