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A 1951 USAF resolution test chart is a microscopic optical resolution test device originally defined by the U.S. Air Force MIL-STD-150A standard of 1951. The design provides numerous small target shapes exhibiting a stepped assortment of precise spatial frequency specimens. It is widely used in optical engineering laboratory work to analyze and ...
Rakon. Rakon Limited is a technology company founded in 1967 that designs and manufactures frequency control products, primarily quartz crystals and temperature-compensated crystal oscillators ( TCXO ), [1] oven controlled crystal oscillators ( OCXO) and voltage controlled crystal oscillators ( VCXO ). [2] Its head office is in Auckland, New ...
United States Army Lt. Gen. John Kimmons with a copy of the Army Field Manual, FM 2-22.3, Human Intelligence Collector Operations, in 2006. FM-34-45. United States Army Field Manuals are published by the United States Army 's Army Publishing Directorate. They contain detailed information and how-tos for procedures important to soldiers serving ...
The Sahm Rule, developed by economist Claudia Sahm, says that the US economy has entered a recession if the three-month average of the national unemployment rate has risen 0.5% or more from the ...
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Radar beacon (short: racon) is – according to article 1.103 of the International Telecommunication Union's (ITU) ITU Radio Regulations (RR) [1] – defined as "A transmitter-receiver associated with a fixed navigational mark which, when triggered by a radar, automatically returns a distinctive signal which can appear on the display of the ...
A federal judge ordered Monday that the University of California, Los Angeles, craft a plan to protect Jewish students, months after pro-Palestinian protests broke out on campus. Three Jewish ...
July 25, 2024 at 7:53 AM. PARIS (AP) — Palestinian Olympic athletes were greeted with a roar of a crowd and gifts of food and roses as they arrived in Paris on Thursday, ready to represent war ...