MalcolmRobb/dump1090 — pull request #41 by mutability (2014-09-25 20:47:35+00:00)
Title: Don't output message reception time in SBS format for remote messages.

For remotely received messages that have a mlat timestamp, we have no
useful way of turning that timestamp into a wallclock timestamp, so
don't try, or we'll just produce wildly wrong results (_days_ in error)