Part of my interest in Time and Frequency. This is a US Navy Crystal Frequency Standard. It was made by FEI (Wiki, Official web page). The official web pages links to ThermoFisher. At one time FEI purchased Aertech Industries (TRW Microwave) where I was working.
Front Panel
Rear Panel
J4 External Alarm
Panel connector: 3102?10SL-3P)
Cable Connector: ?
AN/URQ-10
AN/URQ-23
Navy Frequency & Time Standard Equipment Frequency Synthesizers -
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