On board the Type 81 frigate Gurkha (1960) alongside the fitting out berth of John I Thornycroft & Co Ltd at Woolston, Southampton. The photographer is in the main wireless office and main signal office between 40 and 45 stations on the port side of 2 deck looking aft and to port from 41 station showing seven positions against the ship's side. Bays 1 and 2 are teleprinter bays equipped with Powquip teleprinters. Bay 3 has a Powquip teleprinter with CAY and CAZ receiver/transmitters above it. Bay 4 has a converter comparator and a CAY receiver. Bay 5 has CAY and CAZ receiver/transmitters. Bays 6 and 7 each have two CAY receivers. Bays 1, 4, 5, 6 and 7 have morse keys. Against the aft bulkhead are a CUJ/2 and EAH unit, a CUJ/2 and test rack unit and a CUJ/type 692 unit.