CUTE-1.7 + APD (Cubical Tokyo Tech Engineering satellite 1.7 plus Avalanche Photodiode) or CO-56 (Cubesat-

Oscar Oscar, OSCAR, or The Oscar may refer to: People * Oscar (given name), an Irish- and English-language name also used in other languages; the article includes the names Oskar, Oskari, Oszkár, Óscar, and other forms. * Oscar (Irish mythology), ...

-56) or just OSCAR 56 was an

amateur radio satellite An amateur radio satellite is an artificial satellite built and used by amateur radio operators. It forms part of the Amateur-satellite service. These satellites use amateur radio frequency allocations to facilitate communication between amate ...

in the form of a double

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. CubeSat ...

. The satellite used

commercial off-the-shelf Commercial off-the-shelf or commercially available off-the-shelf (COTS) products are packaged or canned (ready-made) hardware or software, which are adapted aftermarket to the needs of the purchasing organization, rather than the commissioning of ...

components extensively, in particular, it used the

Hitachi () is a Japanese multinational corporation, multinational Conglomerate (company), conglomerate corporation headquartered in Chiyoda, Tokyo, Japan. It is the parent company of the Hitachi Group (''Hitachi Gurūpu'') and had formed part of the Ni ...

NPD-20JWL PDA as a control computer, and it used a

USB hub Universal Serial Bus (USB) is an industry standard that establishes specifications for cables, connectors and protocols for connection, communication and power supply (interfacing) between computers, peripherals and other computers. A broad ...

for sensor communications. At the end of its mission, the satellite was supposed to deploy an

electrodynamic tether Electrodynamic tethers (EDTs) are long conducting wires, such as one deployed from a tether satellite, which can operate on electromagnetism, electromagnetic principles as electrical generator, generators, by converting their kinetic energy to ele ...

to help it deorbit. The satellite failed early into its mission, so the electodynamic tether experiment probably did not happen. It was launched on February 21, 2006 on board a Japanese launcher

M-V The M-V rocket, also called M-5 or Mu-5, was a Japanese solid-fuel rocket designed to launch scientific satellites. It was a member of the Mu family of rockets. The Institute of Space and Astronautical Science (ISAS) began developing the M-V in ...

. On 16 March 2006, the communication system malfunctioned so that it was transmitting unmodulated

carrier wave In telecommunications, a carrier wave, carrier signal, or just carrier, is a waveform (usually sinusoidal) that is modulated (modified) with an information-bearing signal for the purpose of conveying information. This carrier wave usually has ...

and unable to communicate.Cute-1.7 + APD - NEWS - Cute-1.7+APDの現状ついて
/ref> The satellite decayed from orbit on 25 October 2009. A follow-up mission, CUTE-1.7 + APD II, was launched in April 2008 and remains operational.

References

External links

Official homepage

Telemetry
(in Czech) Amateur radio satellites Spacecraft which reentered in 2009 Satellites of Japan Student satellites Spacecraft launched in 2006 CubeSats Tokyo Institute of Technology {{Amateur-radio-stub

See also

References

External links