(telem.location.flags & (1 << 6)) ? ",date" : "",
(telem.location.flags & (1 << 7)) ? ",course" : "");
printf (" alt %5d lat %12.7f lon %12.7f",
(telem.location.flags & (1 << 6)) ? ",date" : "",
(telem.location.flags & (1 << 7)) ? ",course" : "");
printf (" alt %5d lat %12.7f lon %12.7f",