Camsat XW-4, Руководство пользователя

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XW-4 （ CAS-10 ） Amateur Radio Satellite User's Manual
15 / 31 V2.0 by BA1DU
龚万骢
Sending
order
Starting
position
Data
length
Telemetry data function description Telemetry data parsing algorithm
42 W86 2Byte
Attitude quaternion q3
W
1
W
2
： Q3L Q3H
q3=((Q3H<<8)|Q3L)/32768
43 W88 2Byte
X-axis angular speed
W
1
W
2
： WxL WxH
Wx=((WxH<<8)|WxL)/32768*2000(°/s)
44 W90 2Byte
Y axis angular speed
W
1
W
2
： WyL WyH
Wy=((WyH<<8)|WyL)/32768*2000(°/s)
45 W92 2Byte
Z-axis angular speed
W
1
W
2
： WzL WzH
Wz=((WzH<<8)|WzL)/32768*2000(°/s)
46 W94 4Byte
Satellite time seconds
W1 second highest byte
The four bytes are the accumulated
value of the whole second of UTC since
0:00:00:00 UTC on January 1, 2009 (0:00
after the jumped second).
W2 second high byte
W3 second low byte
W4 second lowest byte
47 W98 2Byte
Satellite time milliseconds
W1W2 is an integer
48 W100 2Byte
Satellite primary bus voltage
W1 is the integer part, W2 is the decimal part (1 decimal place)
Range: 0
～ 30.0(V)
49 W102 2Byte
Satellite load total current
W1 is the integer part, W2 is the decimal part (1 decimal place)
Range: 0
～ 10.0(A)
50 W104 2Byte
Solar array current
W1 is the integer part, W2 is the decimal part (1 decimal place)
Range: 0
～ 10.0(A)
51 W106 2Byte
Battery charging current
W1 is the integer part, W2 is the decimal part (1 decimal place)
Range: 0
～ -10.0(A)