A M E S 278

My father was in the Western Desert during WW2 with A.M.E.S 278. This was a mobile radar station moving about behind the Montgomery/Rommel front.
Despite researching and asking people I really don’t know much about it
Any forum member have any knowledge of this please

Photo below was taken on site and you can see one of the towers on a trailer ( Queen Mary ) in the background. This obviously escaped the censor

and one zoomed in a bit