PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/05-16:12:30
G02     218.5          61.3               16.8 +/-    1.15      18.9 +/-    1.15  0.050 / 0.070
G06     52.3           72.5               14.7 +/-    0.32      15.3 +/-    0.32  0.050 / 0.060
G12     319.7          38.9               13.0 +/-    0.88      19.2 +/-    0.88  0.060 / 0.070
G17     61.8           28.1               12.8 +/-    1.87      23.3 +/-    1.87  0.070 / 0.090
G19     45.3           45.5               12.9 +/-    0.73      17.2 +/-    0.73  0.070 / 0.110
G24     263.7          40.7               15.6 +/-    1.46      22.4 +/-    1.46  0.060 / 0.110
G28     125.1          10.8               16.2 +/-    2.43      44.6 +/-    2.43  0.030 / 0.020