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How To RecieveCW Telemetry
CW telemetry format consists of Frame 0 and Frame 1. Because Cute-1.7 + APD has 2 main computers, which are PDA and MPU for Communication, each frame is made by every computer. A frame is transmitted every 2 frames.
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....... | ||||||||
| Frame 0 | Frame 1 | Frame 0 | Frame 1...... |
Frame 0 consists of house keeping data.
| CUTE | A | B | C | D | E | F | G | H | I | J | K | L |
DTMF Command is transmitted only while operation.
| bit | letters | |||
|---|---|---|---|---|
| A | Command | DTMF | 24bit | 6 |
| B | V3.3 | 3.3V | 8bit | 2 |
| C | V5 | 5V | 8bit | 2 |
| D | VBatt | Battery Volatge | 8bit | 2 |
| E | VMain | Main Bus Voltage | 8bit | 2 |
| F | SRLLLEN | SRLL frame length | 8bit | 2 |
| G | TComm | Temperature of Comm Board | 8bit | 2 |
| H | TBatt | Temperature of Battery | 8bit | 2 |
| I | Current | Battery Current | 8bit | 2 |
| J | S144 | 144MHz Smeter | 8bit | 2 |
| K | S1200 | 1.2GHz Smeter | 8bit | 2 |
| L | FETStatus | FET status | 8bit | 2 |
FET Status means using bit 1/0.
| 7 | APD3.3A |
| 6 | APD3.3B |
| 5 | APD Main |
| 4 | DAQ |
| 3 | USB2Serial Converter |
| 2 | TH-59 |
| 1 | CW |
| 0 | DJ-C5(TX) |
A/D value convert equation
Frame 1 consists of houskeeping formated by PDA
| CUTE 1.7 | M |
| bit | letters | |||
| M | Sat & PDA Status | Sat & PDA Status | 64bit | 16 |
First 32bit(or 8letters) means Satellite status, and Last 32bit(or 8letters) means PDA Status.
| Bits | HEX | ||
| 31 | 1 | FMInterval:3 | Packet Interval |
| 30 | 1 | ||
| 29 | 1 | ||
| 28 | 1 | frameNumber:2 | Frame Number |
| 27 | 2 | ||
| 26 | 2 | FMTXPower:1 | Packet Transmiter ON/OFF |
| 25 | 2 | ASRXPower:1 | 1.2GHz receiver ON/OFF |
| 24 | 2 | CWTXPower:1 | CW Transmiter ON/OFF |
| 23 | 3 | ASMPower:1 | C&DH Board ON/OFF |
| 22 | 3 | cameraPower:1 | Camera ON/OFF |
| 21 | 3 | APDMainPower:1 | APD Main Bus ON/OFF |
| 20 | 3 | APD33VBPower:1 | APD3.3VA ON/OFF |
| 19 | 4 | APD33VAPower:1 | APD3.3VB ON/OFF |
| 18 | 4 | magnetSensorPower:1 | Magnetmeter ON/OFF |
| 17 | 4 | USB2SerialPower:1 | USB2Serial Converter ON/OFF |
| 16 | 4 | antenna:1 | Antenna Deploymant Flag |
| 15 | 5 | numOfPictures:6 | Number of Stored Pictures |
| 14 | 5 | ||
| 13 | 5 | ||
| 12 | 5 | ||
| 11 | 6 | ||
| 10 | 6 | ||
| 9 | 6 | serviceMode:3 | Amateur Service mode |
| 8 | 6 | ||
| 7 | 7 | ||
| 6 | 7 | FMMode:4 | Packet Mode |
| 5 | 7 | ||
| 4 | 7 | ||
| 3 | 8 | ||
| 2 | 8 | FMProtocol:2 | Packet Protocol |
| 1 | 8 | ||
| 0 | 8 | FMTransmitting:1 | Packet Status |
| Bits | HEX | ||
| 31 | 1 | logFileMode:2 | Log File mode |
| 30 | 1 | ||
| 29 | 1 | sunSensor5Active:1 | Sun Sensor 5 |
| 28 | 1 | sunSensor4Active:1 | Sun Sensor 4 |
| 27 | 2 | sunSensor3Active:1 | Sun Sensor 3 |
| 26 | 2 | sunSensor2Active:1 | Sun Sensor 2 |
| 25 | 2 | sunSensor1Active:1 | Sun Sensor 1 |
| 24 | 2 | imageFormat:2 | Image Format |
| 23 | 3 | ||
| 22 | 3 | tether:1 | Tether Deployment Flag |
| 21 | 3 | APDFileMode:2 | APD Data mode |
| 20 | 3 | ||
| 19 | 4 | APDFileSampling FrequencyInSecond:3 |
APD sampling time |
| 18 | 4 | ||
| 17 | 4 | ||
| 16 | 4 | APDStatus:1 | APD Status |
| 15 | 5 | torquerControl:1 | Magnetorquer Status |
| 14 | 5 | TLEStatus:1 | TLE Status |
| 13 | 5 | logFileSampling FrequencyInSecond:3 |
Log File Sampling time |
| 12 | 5 | ||
| 11 | 6 | ||
| 10 | 6 | ADS_EST_STATUS:1 | ADCS Estimater |
| 9 | 6 | ADS_ALGO_ID:1 | ADCS Algorithm |
| 8 | 6 | ADS_NEED_RESET:1 | ADCS Reset Flag |
| 7 | 7 | ADS_LACKS:1 | ADCS Flag |
| 6 | 7 | cameraStatus:2 | Camera Status |
| 5 | 7 | ||
| 4 | 7 | USB2SerialStatus:1 | USB Serial Coverter status |
| 3 | 8 | onBoardTimeSync:1 | On board Time Syncronous |
| 2 | 8 | PDANumber:2 | PDA NO. |
| 1 | 8 | ||
| 0 | 8 | WDTStatus:1 | Watch Dog Timer Status |
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