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StarFire is a wide-area differential GPS developed by John Deere's NavCom and precision farming groups. StarFire broadcasts additional "correction information" over satellite L-band frequencies around the world, allowing a StarFire-equipped receiver to produce position measurements accurate to well under one meter, with typical accuracy over a 24-hour period being under 4.5 cm. StarFire is ...
The purpose of Starfire is to conduct research to use adaptive optics to remove the effects of scintillation (atmospheric turbulence). [1] Turbulence interferes with laser beam integrity over distances. Lasers are being used for long-distance high-bandwidth communications and accuracy in air-to-air laser connectivity is important for data ...
Normally these impact shifts are insignificant, but accuracy-oriented users, who wish to use their telescopic sight trouble-free at several magnification levels, often opt for FFP reticles. Around the year 2005 Zeiss [ 27 ] was the first high-end European telescopic sight manufacturer who brought out variable magnification military grade ...
The Accuracy International rifle was selected over the Parker Hale M85. The British Army adopted the Accuracy International PM in 1982 into service as the L96A1 and outfitted the rifle with Schmidt & Bender 6×42 telescopic sights designated the L13A1. In this configuration the rifle is capable of first shot hits with a cold, warm or fouled barrel.
The three main technologies employed for long-range shooting—the bolt-action rifle, telescopic rifle scope and machined cartridge ammunition—were developed in the nineteenth century. The first bolt-action rifle was produced in 1824 by the German firearms inventor Johann Nicolaus von Dreyse. The first documented telescopic rifle sight was ...
Former U.S. Representative Tulsi Gabbard, President Donald Trump's choice to be Director of National Intelligence, will face tough questioning on Russia, Syria and surveillance at what is expected ...
The first ACOG model, known as the TA01, was released in 1987. [3] [4] An example was tested on the Stoner 93 in the early 1990s by the Royal Thai Armed Forces. [5]In 1995, United States Special Operations Command selected the 4×32 TA01 as the official scope for the M4 carbine and purchased 12,000 units from Trijicon. [6]
In 1992 Schmidt & Bender Hungaria Optik GmbH in Budapest, Hungary was founded as an independent company by Schmidt & Bender GmbH & Co. KG, Biebertal, Germany. The process of privatisation in Hungary made it possible for Schmidt & Bender to buy the production of precision optics and fibre optics from the government-owned enterprise of the Hungarian Opticai Works (MOM).