Equipment and Technology Page

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• Equipment
• Equipment and Platforms used in SIGINT operations
• Technology
• Technology used over the years in SIGINT operations. Closely tied and related to the Equipment Category.
• Protocols
• Techniques and Procedures and Analysis of SIGINT


• Direction Finding Technologies
• PDF File. Presentation of pros and cons of more modern radio direction finding equipment types and procedures.
• Researcher@Large - 1937 US Navy Fleet Radio Direction Finding by a single ship Memo
• Memorandum explaining radio direction finding of enemy forces by a single ship
• USN CDAAs: End of an Era
• In the early 1960s the U.S. Navy built 14 AN/FRD-10 Wullenweber Circularly Disposed Antenna Arrays/Circular Dipole Antenna Arrays (CDAA) high frequency direction finders on established Navy installations at the following locations. Most lasted into the late 1990s

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