Thanks Steve, I was certain there was an issue here. I have played with udev rules but probably got the syntax wrong since the ttyUSBx permissions came out wrong. with your example I can most likely make it work. In frustration I removed the asreobery Pi this morning and have reverted to USB + Windows until I get this fixed.

Question: Is there a command I can issue that will return the currently installed indi library? I think I have installed 1.9.0 but I'd like that confirmed. What's the magic command please?

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