Name

XW-4

Alternate Names

CAS-10, HOPE-4

Satellite ID

TLZR-1993-2564-0036-4315

Temporary NORAD ID

99291

Followed NORAD ID

None

Country of Origin

China

CAMSAT’s CAS-10 is an 8U CubeSat that will carry an Amateur Radio VHF to UHF linear transponder for SSB communications.

Hope-4 (XW-4) CAS-10 is an 8U CubeSat, approx 228 x455x 100mm, with a mass of 12kg. The satellite will carry:

1. A VHF uplink and UHF downlink linear transponder with a bandwidth of 30kHz. This transponder will work all day during the life cycle of the satellite, and amateur radio enthusiasts around the globe can use it for two-way radio relay communications.

2. A camera, and the pictures it takes are stored in the flash memory on the satellite, we have designed a simple remote control system based on DTMF, and amateur radio enthusiasts around the globe can send DTMF commands to download the camera photos.

3. A CW beacon to send satellite telemetry data, which is also a feature that is widely welcomed by amateur radio enthusiasts.

4. A AX.25 4.8k/9.6kbps GMSK telemetry downlink