Success criteria
| Mission | Minimum | Full | Extra |
|---|---|---|---|
| Camera | Take one photo | Photograph the Sun, floods, typhoons and volcanoes | Photograph the Sun with Sun tracking |
| APRS | One APRS contact with Chiba Tech | APRS contacts with radio amateurs around the world | Operate APRS for 8 consecutive orbits |
1. Camera
| Target | Description |
|---|---|
| Sun | Photograph flares and predict their scale |
| Floods | Photograph the Yellow River and analyze the damaged area |
| Typhoons | Photograph typhoons and the places they passed, and analyze their scale and damage |
| Volcanoes | Photograph erupting volcanoes and analyze the scale of damage |
The Earth CAM photographs floods, typhoons and volcanoes; the Sun CAM with an ND filter photographs the Sun Images are stored in flash memory and downlinked in segments over UHF
| Mode | Operation |
|---|---|
| Earth random capture | Takes 5 consecutive images with the Earth CAM and downlinks thumbnails |
| Sun random capture | Takes 5 consecutive images with the Sun CAM |
| Sun tracking capture | Captures with the Sun CAM when the photodiode exceeds a threshold |
| Image cropping | Crops a specified area of a captured image and downlinks it |
| PD sampling | Measures light entering through a pinhole in the antenna panel with a photodiode |
2. APRS
Receives messages from amateur stations on 145.825 MHz and stores the responses Received messages are downlinked over UHF
| Mode | Operation |
|---|---|
| Digipeat | Re-transmits received messages as they are |
| User message | Sends a specified message |
| User query | Responds to a received message |
| Transmit | Sends a message from the satellite |
Passed a continuous operation test of 12 hours, equivalent to 8 orbits