Sil - ZL2CIA wrote:
snipped
Geoff,
You made a comment: "Check channel 6D, anything other than about 0.5 means that the others are likely to be dodgy (invalid)".
Can you tell me any more about this. How is the value should in channel 6D derived?
Boy, a circuit diagram would be a diagnostic great tool here.
Sil - ZL2CIA
Hi Sil et al, this little snippet regarding channel 6D tells the story. It is from an e-mail Jan King sent after the bird was discovered .
voltage reference circuitry. The latter I know is working because the last telemetry value is 651. The "6" is just the row number of the telemetry value but the 51 means that the 1/2 volt reference is measuring 0.51 volts. I know that telemetry equation by heart since it was used as the calibration value for the rest of the telemetry system. So the telemetry has a fair chance of being decoded and making some sense