LONGITUDE STEPS FOR T62 GAUSSIAN GRID, QS_EURASIA WINDOW
  -90.0000
  -88.1250
  -86.2500
  -84.3750
  -82.5000
  -80.6250
  -78.7500
  -76.8750
  -75.0000
  -73.1250
  -71.2500
  -69.3750
  -67.5000
  -65.6250
  -63.7500
  -61.8750
  -60.0000
  -58.1250
  -56.2500
  -54.3750
  -52.5000
  -50.6250
  -48.7500
  -46.8750
  -45.0000
  -43.1250
  -41.2500
  -39.3750
  -37.5000
  -35.6250
  -33.7500
  -31.8750
  -30.0000
  -28.1250
  -26.2500
  -24.3750
  -22.5000
  -20.6250
  -18.7500
  -16.8750
  -15.0000
  -13.1250
  -11.2500
   -9.3750
   -7.5000
   -5.6250
   -3.7500
   -1.8750
    0.0000
    1.8750
    3.7500
    5.6250
    7.5000
    9.3750
   11.2500
   13.1250
   15.0000
   16.8750
   18.7500
   20.6250
   22.5000
   24.3750
   26.2500
   28.1250
   30.0000
   31.8750
   33.7500
   35.6250
   37.5000
   39.3750
   41.2500
   43.1250
   45.0000
   46.8750
   48.7500
   50.6250
   52.5000
   54.3750
   56.2500
   58.1250
   60.0000
   61.8750
   63.7500
   65.6250
   67.5000
   69.3750
   71.2500
   73.1250
   75.0000
   76.8750
   78.7500
   80.6250
   82.5000
   84.3750
   86.2500
   88.1250
   90.0000