The amateur radio CubeSat HORYU-2 has been successfully sending back images of the Earth.
Built by students at the Kyushu Institute of Technology (KIT) HORYU-2 is 350 * 310 * 315 mm and mass is 7.1 kg. It is in a Sun-Synchronous 680 km orbit with an inclination of 98.2°.
The satellite’s callsign is JG6YBW and it transmits on 437.375 MHz (+/- 9 kHz Doppler shift) using 20 wpm Morse Code or 1200 bps AX.25 FSK packet radio. Details of the telemetry format are available here. The telemetry software can be downloaded from here and an explanation of the software is here.
HORYU-2 Japanese Operating Schedule in Google English http://tinyurl.com/HORYU-2-Schedule
Read the KIT HORYU Blog in Google English http://tinyurl.com/HORYU-Blog
Further information on HORYU-2 http://www.uk.amsat.org/?p=7404
SimpleSat Look Down satellite tracking software http://www.uk.amsat.org/?p=8217
Gpredict free real-time satellite tracking and orbit prediction software http://gpredict.oz9aec.net/
Orbitron satellite tracking http://www.uk.amsat.org/?p=9051
N2YO Online Real Time Satellite Tracking http://www.n2yo.com/