XW-4
Mission information
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

Status
Satellite future
Future

Satellite is not yet in orbit

Image
XW-4
Description

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

Mode U - Telemetry
Type
Transmitter
Service
Amateur
Downlink Mode
CW
Downlink Frequency
435575000
IARU Coordination
IARU Coordinated
Mode U - GMSK4k8 AX.25
Type
Transmitter
Service
Amateur
Downlink Mode
GMSK
Downlink Frequency
435725000
Baud
4800
IARU Coordination
IARU Coordinated
Mode V/U - Transponder
Type
Transponder
Service
Amateur
Downlink Mode
USB
Downlink Frequency
435165000
Uplink Mode
LSB
Downlink High
435195000
Uplink Frequency
145855000
Uplink High
145885000
Inverted
Yes
IARU Coordination
IARU Coordinated
Most Recent Observers

No observations recorded for XW-4

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