[RadioTelescope] Stepping rates

Andrew Williams andrew at physics.uwa.edu.au
Mon Oct 11 18:46:30 WST 2010


On 11/10/2010 6:20 PM, Harry McNally wrote:
>
> Why don't we digitise in both directions and use a wireless link to the dish
> electronics ? All we need then is a slip ring for the mains supply on the
> azimuth and we can ignore azimuth limits.

That's fine for the drive system, but there's also the actual receiver 
to worry about - at a minimum, that will be a single 50 ohm coax, more 
likely a coax pair, maybe more...

Andrew


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