Layer Estimates:

Layer: gmrt_file_service (ID:0)
Count: 221981
Extent:

XMin: -179.999990000338
YMin: -78.6750499996577
XMax: 179.999989999639
YMax: 82.4410900000035
Spatial Reference: GEOGCS["WGS 84",DATUM["WGS_1984",SPHEROID["WGS 84",6378137.0,298.257223563]],PRIMEM["Greenwich",0.0],UNIT["degree",0.0174532925199433]]