My understanding is that WAAS has an integrety function and is able to
detect an inaccurate signal.

Mike
MU-2

"Stan Gosnell" wrote in message
...
"Mike Rapoport" wrote in
nk.net:

I thought that WAAS was approved for sole means of navigation?

Not that I'm aware of. WAAS has nothing to do with reliability, other
than vertical accuracy. Its only function is to give enough vertical
accuracy to allow a semi-precision approach.

--
Regards,

Stan

"They that can give up essential liberty to obtain a little temporary
safety deserve neither liberty nor safety." B. Franklin