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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 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 ...
PIC (usually pronounced as /pɪk/) is a family of microcontrollers made by Microchip Technology, derived from the PIC1640 [1] [2] originally developed by General Instrument's Microelectronics Division. The name PIC initially referred to Peripheral Interface Controller, [3] and is currently expanded as Programmable Intelligent Computer. [4]
Profile projector, also known as contour comparator, is widely used to measure 2-dimensional data. An optical comparator (often called just a comparator in context) or profile projector is a device that applies the principles of optics to the inspection of manufactured parts. In a comparator, the magnified silhouette of a part is projected upon ...
Here are some of our all time favorite cat dads on social media. Nathan Kehn is a model, actor and cat advocate.According to Outdoor Bengal, Nathan is a Colorado native who resides in Los Angeles ...
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 ...
WASHINGTON (Reuters) -A U.S. regulator said on Wednesday it still believes that air bag inflators in 49 million U.S. vehicles assembled by 13 automakers pose serious safety risks and it is ...
A space rock the size of a cruise liner will closely pass Earth in April 2029. While the asteroid Apophis won’t hit Earth, two spacecraft may tag along.