On board the type 81 general purpose frigate HMS Tartar (1960) in Portsmouth Dockyard between November 1973 and April 1974 during a refit. The photographer is in the transmitting station between 45 and 47 stations on the port side of 3 deck looking aft and slightly to starboard from 45¼ station showing the MRS3 operational console against the port bulkhead on the right. A multiway change over switch, a fire control unit, a circuits control unit No. 2 and a dimmer switch are against the aft bulkhead. Between the two doors are a fire extinguisher, an automatic emergency lantern, a telephone handset and a loudspeaker. A vertical format negative.