WINDS (Wideband InterNetworking engineering test and Demonstration Satellite, also known as Kizuna), is a Japanese communication satellite. Launch was originally scheduled for 2007. The launch date was eventually set for 15 February 2008, however a problem detected in a second stage manoeuvring thruster delayed it to 23 February. Lift-off occurred at 08:55 GMT on 23 February, and the satellite separated from the carrier rocket, into a Geosynchronous transfer orbit at 09:23, launched by an H-IIA carrier rocket from the Tanegashima Space Center. It will be used to relay the internet to Japanese homes and businesses, through Ka-Band signals. It will also develop technologies to be utilised by future Japanese communication spacecraft. It is part of Japan's i-Space program, and is to be operated by JAXA and NICT.

JAXA claim that WINDS will be able to provide 155 Mbit/s download speed to home users with 45-centimetre diameter satellite dishes, whilst providing industrial users, via 5-metre diameter dishes, with 1.2 Gbit/s speeds.

WINDS has a launch mass of 4,850 kg, reducing to around 2,750 kg when in orbit. The spacecraft is 8 m x 3 m x 2 m in size, and its solar panels have a span of 21.5 metres. It has three-axis stabilisation, and a design life expectancy of five years.

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Famous quotes containing the word winds:

    Him who trembles before the flame and the flood,
    And the winds that blow through the starry ways,
    Let the starry winds and the flame and the flood
    Cover over and hide, for he has no part
    With the lonely, majestical multitude.
    William Butler Yeats (1865–1939)

    O to dream, O to awake and wander
    There, and with delight to take and render,
    Through the trance of silence,
    Quiet breath;
    Lo! for there, among the flowers and grasses,
    Only the mightier movement sounds and passes;
    Only winds and rivers,
    Life and death.
    Robert Louis Stevenson (1850–1894)

    I would rather not see such winds subside, which carry your slow ship away, although they leave me, cast down, on an empty shore, often, with clenched hand, calling you cruel.
    Propertius Sextus (c. 50–16 B.C.)