Layer Estimates:

Layer: GMRT_v3.4_shiptracks (ID:0)
Count: 940
Extent:

XMin: -179.9999999999
YMin: -78.6430000001499
XMax: 180.0000000001
YMax: 82.4341670000071
Spatial Reference: 4326 (4326)
Vertical Spatial Reference: 5773 (5773)