249 Ionosonde ?. Braybrook ?. Hazell A.F. Wilkins Admiral Sir Henry Jackson B.G. Pressey C. Morris C.S. Fowler Chilton Chris Scott Ditton Park G. Ashwell Henry Rishbeth J.E. Herd Jeremy Curtis John Bradford John Houghton John Smith John Wright Karl-Heinz Müller Ken Slater L. Hainsworth Lerwick Matthew Wild Meteor Radar Mike Dick Mike Harris Mike Sandford Monica Kendall Ocean Surface Current Radar Paul Dickinson Peter Bradley Phil Richards R. Naismith R.W.N. Mason RADAR RAE Aldershot Richard Holdaway Richard Smith Robert Watson-Watt Roy Piggott Stabilised Balloon Platform Stanley V. Norris W. Allen W. Bailey W.M. Curtis