And a transponder just sits there unless it is triggered by
the secondary radar. If the ground based radar is inop or
intermittent, the transponder just does nothing.


"Ron Natalie" wrote in message
m...
| Mike Schumann wrote:
| The big question is what happened to the transponder on
the Embraer.
|
| My guess, NOTHING.
|
| The report says ATC had intermittent to missing PRIMARY
returns
| as well. PRIMARY returns are the skin paint from the
radar. It
| would seem that Brazillian RADAR just sucks badly.
Nothing you
| can do with the transponder will kill the primary return.