XW-4
（
CAS-10
）
Amateur Radio Satellite User's Manual
26
/
31
V2.0 by BA1DU
龚万骢
Sending
order
Starting
position
Data
length
Telemetry data function description
Telemetry data parsing algorithm
4
F1W8
1Byte
Satellite primary bus voltage
Y= 0.0882*X-1.0558
5
F1W9
1Byte
Satellite load total current
Y= 0.0244*X-0.3927
6
F1W10
1Byte
Solar array current
Y= 0.0239*X-0.2696
7
F1W11
1Byte
Battery charging current
Y= -0.0833*X+13.127
8
F1W12
1Byte
Battery discharge current
Y= 0.0833*X-13.127
9
F1W13
1Byte
Solar array voltage
Y= 0.0873*X-0.9338
F2 frame (frame count is 4n+2)
Sending
order
Starting
position
Data
length
Telemetry data function description
Telemetry data parsing algorithm
1
F2W2W3
2Byte
Reserved
W1 is the integer part, W2 is the decimal part (1 decimal place)
Range: 0
～
30.0(V)
2
F2W4W5
2Byte
Reserved
W1 is the integer part, W2 is the decimal part (1 decimal place)
Range: 0
～
30.0(V)
3
F2W6W7
2Byte
UHF transmitter 3.8V current
W1W2 is an integer
Range: 0
～
500(mA)
4
F2W8
1Byte
Satellite attitude control mode
b7~b0 (the following are hexadecimal representations, where b7~b4
correspond to the main operating mode, and b3~b0 correspond to the
sub-mode):
0x00--Active segment mode
