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Radar beacon. Racon signal as seen on a radar screen. This beacon receives using sidelobe suppression and transmits the letter "Q" in Morse code near Boston Harbor (Nahant) 17 January 1985. Radar beacon (short: racon) is – according to article 1.103 of the International Telecommunication Union's (ITU) ITU Radio Regulations (RR) [1 ...
An ARRL Numbered Radiogram is a brevity code used in composing ARRL Radiograms during times of radio congestion. The code is used to transmit standard messages, sometimes with customized text, very quickly by experienced ARRL National Traffic System (NTS) message traffic handlers. In use, ARRL Numbered Radiograms are messages encoded as one or ...
The Fourth Amendment intends to protect people from “unreasonable searches and seizures” by the US government. This is where we get legal protections like warrants, where law enforcement needs ...
Look-down/shoot-down radars have been enhanced with electronic programs that process the radar image and search for moving objects, which are detected by looking for Doppler shifts in the radar return. See moving target indication. The radar removes all stationary objects (e.g. the ground and buildings) from the display and shows only moving ...
This free spyware lookup tool lets you check if your Android device was compromised by TheTruthSpy spyware network. You can now check to see if your Android device was compromised by TheTruthSpy ...
An effective replacement for human visual acuity and search capability is a prerequisite for autonomous flight outside the operator’s line of sight. Inside that window, the “metamaterial ...
That time Raytheon subpoenaed Yahoo! to get it to give up the names of three anonymous Y! Finance message board users so it could sue them too.
Tobii Dynavox's TD Pilot eye tracker for iPads. The TD Pilot is basically a super-powered frame for Apple's tablets: It can fit in something as big as the iPad Pro 12.9-inch, and it also packs in ...