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Cross-connect box (left) and VRAD (right) on a suburban street in Houston, Texas.. A video-ready access device (VRAD) provides digital subscriber line access and high-definition television programming to customers subscribed to IPTV services such as AT&T's U-verse, Bell Canada's Bell Fibe TV, Claro Puerto Rico's Claro TV, and Telus's Optik TV.
Bushmaster Dissipator Model XM-15 rifle with aftermarket handguards The Bushmaster XM-15 used by the D.C. snipers during their attacks in October 2002. The Bushmaster XM-15 series (or XM15 [3]) is a line of AR-15 style semi-automatic rifles and carbines manufactured by Bushmaster Firearms International, LLC. [2]
M145 Machine Gun Optic fitted to a M240B machine gun. The M145 Machine Gun Optic is a variant of the C79 that was developed for the U.S. Army and is commonly mounted on M240 and M249 machine guns. The M145 is unusual when compared with other optical sights in use with the United States military in that ballistic compensation is in the mount ...
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The optics are considered exceptional, even by contemporary standards and the biggest drawback compared to modern scopes is the weight. Although the AN/PVS-4 has not had a great deal of cultural impact, its legacy of high quality night vision has become a staple of movies and television shows which often do not show real equipment.
An acousto-optic modulator (AOM), also called a Bragg cell or an acousto-optic deflector (AOD), uses the acousto-optic effect to diffract and shift the frequency of light using sound waves (usually at radio-frequency). They are used in lasers for Q-switching, telecommunications for signal modulation, and in spectroscopy for frequency control.
The AN/PAS-13B thermal weapon sight (TWS) is an infrared sight developed for the United States military by Raytheon.The sight is designed for use on small arms in the U.S. military's inventory, but it can also be used as a standalone observation device.
An Aircraft Owners and Pilots Association review by Dave Hirschman noted, "Van’s officials are notoriously tight-lipped about the RV–15's performance figures, but they did say they set ambitious design goals and they expect the new airplane to meet them. For example, they wanted the RV–15 to take off and land in 400 feet or less, and have ...