sonar operator
81Iroquois-Klasse — Übersicht Typ Zerstörer Einheiten 4 gebaut, 3 aktiv Dienstzeit …
82Battle of the Atlantic (1939–1945) — Infobox Military Conflict conflict = Battle of the Atlantic partof = World War II caption = Officers on the bridge of an escorting British destroyer keep a sharp look out for enemy submarines, October 1941 date = September 3 1939 May 7 1945 place …
83Wire wrap — This article deals with electronics manufacturing and prototyping techniques, see Wire wrap jewellery for the jewellery related topic Wire wrap is a technique for constructing small numbers of complex electronics assemblies. It is an alternative… …
84Torpedo Data Computer — The Torpedo Data Computer (TDC) was an early electromechanical analog computer used for torpedo fire control on American submarines during World War II (see Figure 1). Britain, Germany, and Japan also developed automated torpedo fire control… …
85Mechanical filter — Figure 1. A mechanical filter made by the Kokusai Electric Company intended for selecting the narrow 2 kHz bandwidth signals in SSB radio receivers. It operates at 455 kHz, a common IF for these receivers, and is dimensioned 45×15×15 mm ( …
86Radio — is the transmission of signals, by modulation of electromagnetic waves with frequencies below those of visible light.Electromagnetic radiation travels by means of oscillating electromagnetic fields that pass through the air and the vacuum of… …
871990 New Year Honours — Contents 1 United Kingdom 1.1 Life Peers 1.2 Privy Counsellors 1.3 Knights Bachelor 1.4 Order of the …
88SS Edmund Fitzgerald — Edmund Fitzgerald redirects here. For other uses, see Edmund Fitzgerald (disambiguation) …
89Technology during World War II — World War II seriesv · d · e …
90USS Curtis Wilbur (DDG-54) — USS Curtis Wilbur in the Persian Gulf, 1999 Career (US) …
