AO-40 Since Launch "The Incident" Communication Links Downlink - S2 (2400 Mhz) Uplinks - V (145 Mhz), U (435 Mhz), L (1270 Mhz) Experiments RUDAK Communications Processor GPS High-Altitude Navigation CEDEX Radiation Event and Total Dose SCOPE Color Cameras MONITOR Passive Ionospheric Sounder