Birds fly. Time animation.

Spreedsheets at calculator generate points, segments and path. All lengths calculate by Great circle distance formula (km, mi). Generation KML for user datasets. Intergration to Googlegeo ( GE & GMaps ).

Datasets and photos by Eugene Potapov 

ARGOS PTT:
11986
11987
11989
23370
23371
23372
23374
28509
28510

Download KML: Network link

Forums:
GEC
Editgrid

EditGrid Spreadsheet by user/valery35.