SpinSat comprises a 19 inch diameter sphere, with a mass of 55 kg and 4 antennas equal distance around the equator. It is intended to be a tumbling satellite with single axis momentum wheel and multiple micro-thrusters.
It aims to test new technology micro-thrusters and teach high school students about satellite operations.
Secondary mission is a 9k6 GFSK UHF store and forward AX.25 packet radio system with 2 watts of RF output. Planned for a July 2013 launch from Kennedy Space Center into a 330 km 51.6 degree inclination orbit.
A downlink frequency of 437.230 MHz has been coordinated.
IARU Amateur Satellite Frequency Coordination Panel status page http://www.amsat.org.uk/iaru