In article , derekl1963
@nospamyahoo.com says...
Kevin Willoughby wrote:
*Reliability* constraints are quite extreme, but I don't see high bandwidth
as necessary.

Indeed, high reliability and high connectivity are the twin
principles that drive the design of the entire communications system.
Not only are there multiple transmission sites for the main broadcast,
there are backup methods of conveying the important stuff as well.

Is any of this publicly available? It would be quite a case-study in
reliability engineering.
--
Kevin Willoughby lid

Imagine that, a FROG ON-OFF switch, hardly the work
for test pilots. -- Mike Collins