Stack of Mini-PCs at Lichfield Radio Observatory (LRO)
I am using one mini-PC for each radio astronomy experiment at LRO = these 2nd hand PCs are cheaply available on ebay.

Andrew Thornett, Lichfield, England, M6THO, andrew (at) thornett (dot) net
I am using one mini-PC for each radio astronomy experiment at LRO = these 2nd hand PCs are cheaply available on ebay.