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How To Recieve FM Telemetry Format APD
| APD Frame | |
|---|---|
| 0 | 0xD0 |
| 1 | Status Code |
| 2 | APD Temperature |
| 3 | High Voltage |
| 4 | Counter |
| 5 | |
| 6 | |
| Total | 7bytes |
Status codes of the APD module.
| 7 | APD Stat. 0 : Operation 1 : Activation |
| 6 | High Voltage Stat. 0 : Set Value = Output Value 1 : Set Value ≠ Output Value |
| 5 | Temperature Correction 0 : Inactive 1 : Active |
| 4 | Data Mode 0 : Coutner Invalid 1 : Counter Valid |
| 3 | Active Detector 0 : APD A 1 : APD B |
| 2 | APD Gain 0 : Gain 30 1 : Gain 50 |
| 1 | Detector Threshold 00 : 219mV 01 : 633mV 10 : 2080mV 11 : 2095mV |
| 0 |
Temperature of the APD module.
T = ( value / 255 ) * 91.712 - 48.569 [degC]
Value of supplied voltage (HV : High Voltage) to the APD module.
HV = ( value / 255 ) * 396.5 [V]
This counter data consists of 3bytes; Index (1byte) and Significand (2bytes).
c0, c1, c2:
Counter Value = (c1×256 + c2)×2c0
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