I will paste a small part of a logged flight:
MSG,1,0,0,4A0663,0,2009.11.19,17:34:48.453,2009.11.19,17:39:48.453,ROT373,,,,,,,,,,,
MSG,3,0,0,4A0663,0,2009.11.19,17:34:48.453,2009.11.19,17:39:48.453,,1900,,,44.5867,-333.8703,,,,,,
MSG,3,0,0,4A0663,0,2009.11.19,17:39:44.156,2009.11.19,17:44:44.156,,13925,,,44.7476,-334.2863,,,,,,
MSG,3,0,0,4A0663,0,2009.11.19,17:39:44.156,2009.11.19,17:44:44.156,,13950,,,44.7480,25.7127,,,,,,
The flight started to get tracked in ANRB at 17:39:45 ( local time) when the longitude became 25.7127
Notice that 360-334.2863=25.7137
Liviu