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The SCR-536 weighed 5 pounds (2.3 kg) with batteries and 3.85 lb (1.75 kg) without batteries. The unit operated in AM voice mode between 3.5 and 6.0 MHz frequency range on any one of 50 channels. Plug in crystals and coils were used to control the frequency of the receiver and transmitter. The antenna was a 40 inch telescoping rod that slid ...
US body count: 1,571 killed. 1,005 suspects detained. 289 individual and 101 crew-served weapons recovered. Operation Quyet Chien, was a United States Army and Army of the Republic of Vietnam (ARVN) security operation during the Vietnam War that took place from 3 August to 31 November 1968.
IFAD Vietnam. The International Fund for Agricultural Development (IFAD) is an international financial institution and a specialized agency of the United Nations dedicated to eradicating rural poverty in Vietnam and other developing countries. IFAD supports more than 200 ongoing programmes and projects around the world.
The 3rd Battalion, 82nd Artillery departed from Vietnam on 29 June 1972 after firing the last fire mission in support of an American patrol operating in Vietnam. Persian Gulf War. In September 1990, the 1st and 3rd Battalions of the 82nd Field Artillery Regiment deployed to Southwest Asia in support of Operation Desert Shield.
Phase III offensive. Phase III of the Tet offensive of 1968 (also known as the August offensive or Third offensive) was launched by the People's Army of Vietnam (PAVN) and Viet Cong (VC) from 17 August to 27 September 1968. The offensive was divided into two waves of attacks from 17 to 31 August 1968 and from 11 to 27 September of that same year.
The battle of Dak To ( Vietnamese: Chiến dịch Đắk Tô - Tân Cảnh) in Vietnam was a series of major engagements of the Vietnam War that took place between 3 and 23 November 1967, [1] in Kon Tum Province, in the Central Highlands of the Republic of Vietnam (South Vietnam). The action at Đắk Tô was one of a series of People's Army of ...
1667 to 1875. 1667: Robert Hooke creates an acoustic string telephone that conveys sounds over a taut extended wire by mechanical vibrations. [1] [2] 1844: Innocenzo Manzetti first suggests the idea of an electric "speaking telegraph", or telephone. 1849: Antonio Meucci demonstrates a communicating device to individuals in Havana.
These made telephones an available and comfortable communication tool for many purposes, and it gave the impetus for the creation of a new industrial sector. The telephone exchange was an idea of the Hungarian engineer Tivadar Puskás (1844–1893) in 1876, while he was working for Thomas Edison on a telegraph exchange.