Cute-1.7 + APD - Software -

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[Cute-1.7 + APD CW Checker v0.2beta (2006/02/21)

Contact : cute1.7_question@lss.mes.titech.ac.jp
URL : http://lss.mes.titech.ac.jp/ssp/cute1.7/index_e.html
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CONTENTS
1. What is Cute-1.7 + APD CW Checker?
2. Format of the CW telemetry from Cute-1.7
3. How to use this software
4. About Analyzed Data
5. Disclaimer
6. History
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1. What is Cute-1.7+APD CW Checker?

This is a software to analyze CW beacon Telemetry from Cute-1.7 + APD,
which was launched at February 21st(JST), 2006 by M-V-8 rocket(JAXA).
Details of Cute-1.7 + APD are shown at following website.
http://lss.mes.titech.ac.jp/ssp/cute1.7/index_e.html

2. Format of the CW telemetry from Cute-1.7+APD

CW telemetry from Cute-1.7 + APD contains housekeeping data of the satellite.
The form is organized as follows.

CUTE A B C D E F G H I J K L

The formats of each data is followings.

A : DTMF Command * (hexadecimal, 6 letters)
B : Voltage of 3.3V-system (hexadecimal, 2 letters)
C : Voltage of 5V-system (hexadecimal, 2 letters)
D : Voltage of battery (hexadecimal, 2 letters)
E : Voltage of main bus (hexadecimal, 2 letters)
F : Length of SRLL (hexadecimal, 2 letters)
G : Temperature of communication board (hexadecimal, 2 letters)
H : Temperature of battery (hexadecimal, 2 letters)
I : Current (hexadecimal, 2 letters)
J : S-meter of 144MHz ** (hexadecimal, 2 letters)
K : S-meter of 1.2GHz ** (hexadecimal, 2 letters)
L : FET Status (hexadecimal, 2 letters)

*DTMF Command is sent only when Cute-1.7+APD receives command from the ground station.
** S Meter : Signal strength of uplink wave received by Cute-I.

Example of a frame:
CUTE 89 D0 A7 68 20 47 2F BC A7 A0 1F

Details will beshown at following URL.
http://lss.mes.titech.ac.jp/ssp/cute1.7/cwtelemetry_e.html
"How to Receive" -> "CW telemetry format"

3. How to use this software
* House Keeping
CUTE B C D E F G H I J K L (22 letters)
Please input letters in order of the above format without space.

* Satellite Status
* PDA Status
* Satellite & PDA Status
hexadecimal 8 letters

4. About Analyzed Data ("CW Analysis Result" area)
The first column in the CW Analysis Results area lists the names
of items, the second column lists the values of items.

5. Disclaimer
We, Laboratory for Space Systems(LSS),
Tokyo Institute of Technology take no responsibility for any damages caused by using this software.

6. History
2006.02.21 Cute-1.7+APD CW Checker ver0.1 Release
2006.02.22 Upgrade to ver0.2

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