An early fixed-installation Type 7 radar antenna. The early Type 7 was lower-powered and less accurate than the redesigned version used in the 1950s ROTOR network

(courtesy Dick Barret, radarpages.co.uk and "Watching The Skies")

 

A late model Type 7 installation with additional stacks of dipoles at either end for improved azimuth resolution.

(courtesy Dick Barret, radarpages.co.uk and Anstruther)