Niwaka
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Niwaka or FITSAT-1 is a 1U
CubeSat A CubeSat is a class of miniaturized satellite based around a form factor consisting of cubes. CubeSats have a mass of no more than per unit, and often use commercial off-the-shelf (COTS) components for their electronics and structure. CubeSats ...
satellite deployed from the
International Space Station The International Space Station (ISS) is the largest modular space station currently in low Earth orbit. It is a multinational collaborative project involving five participating space agencies: NASA (United States), Roscosmos (Russia), JAXA ...
(ISS) on 4 October 2012. The Niwaka satellite includes high power
LEDs A light-emitting diode (LED) is a semiconductor device that emits light when current flows through it. Electrons in the semiconductor recombine with electron holes, releasing energy in the form of photons. The color of the light (cor ...
which are driven by 200 watts pulses, allowing Morse code style communication from the sky to the ground. FITSAT-1 (Niwaka) communicates with ground by means of 5.8
GHz The hertz (symbol: Hz) is the unit of frequency in the International System of Units (SI), equivalent to one event (or cycle) per second. The hertz is an SI derived unit whose expression in terms of SI base units is s−1, meaning that one he ...
high-speed (115200 bit/s) transmitter. It also has a 437 MHz (amateur band) beacon and transmitter with data rate 1200 bit/s for
telemetry Telemetry is the in situ collection of measurements or other data at remote points and their automatic transmission to receiving equipment (telecommunication) for monitoring. The word is derived from the Greek roots ''tele'', "remote", an ...
downlink. The name Niwaka derives from "Hakata Niwaka", which is traditional impromptu comical talking with masks. It is also the old name of the city
Fukuoka is the sixth-largest city in Japan, the second-largest port city after Yokohama, and the capital city of Fukuoka Prefecture, Japan. The city is built along the shores of Hakata Bay, and has been a center of international commerce since ancie ...
, site of the
Fukuoka Institute of Technology is a private university in Higashi-ku of Fukuoka, Fukuoka Prefecture, Japan. The predecessor of the school was founded in 1954, and it was chartered as a university in 1963. It is located near Fukkōdaimae Station. Alumni * Ichirō Matsui, g ...
in
Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...
which created the satellite.
WE WISH WE WISH (World Environmental Watching and Investigation from Space Height) was a small commercial CubeSat which was deployed from the International Space Station (ISS) in October 2012 and which deorbited in March 2013. It was built by the Japan ...
,
RAIKO RAIKO ( ja, 雷鼓, literally ''thunder drum'') is a Japanese satellite which was built and operated by Tohoku University, Tohoku and Wakayama University, Wakayama Universities. A two-unit CubeSat, RAIKO was deployed from the International Spa ...
, FITSAT-1, F-1, and TechEdSat-1 travelled to orbit aboard
Kounotori 3 Kounotori 3 ( ja, こうのとり3号機; English: "white stork" ), also known as HTV-3, was the third flight of the Japanese H-II Transfer Vehicle. It was launched on 21 July 2012 to resupply the International Space Station (ISS) aboard the H ...
(HTV-3).WE WISH
/ref> It reentered in the
atmosphere of Earth The atmosphere of Earth is the layer of gases, known collectively as air, retained by Earth's gravity that surrounds the planet and forms its planetary atmosphere. The atmosphere of Earth protects life on Earth by creating pressure allowing fo ...
on 4 July 2013.FITSAT-1 (NIWAKA)
/ref>


Launch


See also

* 2012 in spaceflight *
Ginrei Ginrei or ShindaiSat was a 400x400x450mm cube-like microsatellite intended to text experimental visible light communication. The satellite is made in Shinshu University (Japan). The ground station was completed by 18 March 2014 and attempts to co ...
- another LED satellite (2014)


References


External links


FITSAT-1 (Niwaka) log
{{Orbital launches in 2012 Spacecraft which reentered in 2013 CubeSats Spacecraft launched in 2012 Satellites deployed from the International Space Station