project:weathersonde:telemetry_decoding
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| Both sides previous revisionPrevious revisionNext revision | Previous revision | ||
| project:weathersonde:telemetry_decoding [2017/02/18 21:55] – add equations for pressure and temperature pinky | project:weathersonde:telemetry_decoding [2017/02/19 16:58] (current) – [SUBFRAME structure] update doc for CRC polynom pinky | ||
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| Line 12: | Line 12: | ||
| | 1 | 1 | SUBFRAME_LEN | Length of subframe payload | | | 1 | 1 | SUBFRAME_LEN | Length of subframe payload | | ||
| | 2 | 2*SUBFRAME_LEN | SUBFRAME_PAYLOAD | subframe payload | | | 2 | 2*SUBFRAME_LEN | SUBFRAME_PAYLOAD | subframe payload | | ||
| - | | 2*SUBFRAME_LEN+2 | 2 | SUBFRAME_CRC | CRC 16 of subframe payload, polynom = 0x11021 | | + | | 2*SUBFRAME_LEN+2 | 2 | SUBFRAME_CRC | CRC 16 of subframe payload, polynom = 0x11021 |
| ==== Known subframe types ==== | ==== Known subframe types ==== | ||
| Line 20: | Line 20: | ||
| | 0x69 | Measurement data | | | 0x69 | Measurement data | | ||
| | 0x67 | GPS data | | | 0x67 | GPS data | | ||
| - | | 0x68 | typ of content not indentified | + | | 0x68 | RADAC (radiation measurement) / O3 (ozone) |
| | 0xff | padding ? | | | 0xff | padding ? | | ||
| Line 134: | Line 134: | ||
| | 7 | 1 | ??? | number, min/max: < -38, 39 > usually -5..10 | | | 7 | 1 | ??? | number, min/max: < -38, 39 > usually -5..10 | | ||
| - | ===== Unknown subframe payload | + | ===== RADAC / O3 (radiation and ozone measurement) |
| expected payload length: 10 | expected payload length: 10 | ||
| - | No clue what this means. | + | No usefull values available to decipher |
| ^ offset (B) ^ length (B) ^ description ^ | ^ offset (B) ^ length (B) ^ description ^ | ||
project/weathersonde/telemetry_decoding.1487454950.txt.gz · Last modified: 2017/02/18 21:55 by pinky