On Tue, 05 Jul 2011 12:18:23 -0700, Tim Wescott
wrote:



Close. Testing a mass of sophisticated equipment that gets crammed
into a small cargo aircraft.

It seems like a 60Hz to 400Hz converter would be a common accessory in
avionics shops -- or do they go for avionics prices?


Why do they use 400 Hz for anything?

RWL