Signals intelligence collection, ground-based/Related Articles

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Parent topics

• Intelligence collection management [r]: Add brief definition or description
• Radar [r]: Acronym for "radio detection and ranging"; a system used to locate a distant object by transmission of radio waves and reception of their reflection. ^[e]
• Radio [r]: Transmission and reception of information, which can be voice, data or imagery over electromagnetic radiation in free space (i.e., wireless). The information is modulated onto a carrier wave ^[e]
• Telephone [r]: Telecommunications device that transmits and receives sound, most commonly the human voice, by converting the sound waves to pulses of electrical current, and then retranslating the current back to sound. ^[e]

Other related topics

• Cryptanalysis [r]: The sub-field of cryptology which deals with breaking into existing codes and ciphers. ^[e]
• Direction finding [r]: Finding the location of an electromagnetic emitter, either by the crossed bearings from directional antennas from various known points, or by time of arrival or time difference of arrival of the signal at those points ^[e]
• Goniometry [r]: Add brief definition or description
• Legal interception [r]: Add brief definition or description
• Radiofrequency MASINT [r]: Add brief definition or description
• SIGINT before the Second World War [r]: Add brief definition or description
• SIGINT in the Second World War [r]: Add brief definition or description

<-- need to put in revised historical periods

• SIGINT from 1990 to the present [r]: Add brief definition or description-->
• SIGINT aircraft-based platforms [r]: An aircraft or unmanned aerial vehicle (UAV) that carries signals intelligence sensors ^[e]
• SIGINT ship-based platforms [r]: Signals intelligence collection systems mounted on surface ships ^[e]
• SIGINT space-based platforms [r]: Add brief definition or description
• SIGINT submarine-based platforms [r]: Add brief definition or description
• Smith vs. Maryland [r]: A Supreme Court of the United States decision that held that a telephone subscriber had no expectation of privacy of the records of the telephone numbers to which his phone had connected ^[e]
• Time of arrival [r]: Add brief definition or description
• Traffic analysis [r]: Traffic analysis is a branch of signals intelligence, inferring useful information from messages without actually reading them. ^[e]
• United States signals intelligence directive 18 [r]: Add brief definition or description
• Warrantless interception [r]: Add brief definition or description
• Wiretapping [r]: Add brief definition or description