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               18.0 +/-    0.53      20.2 +/-    0.53  0.040 / 0.060
G06     52.3           72.5               15.8 +/-    0.73      16.4 +/-    0.73  0.080 / 0.060
G12     319.7          38.9               13.5 +/-    1.02      20.0 +/-    1.02  0.080 / 0.090
G17     61.8           28.1               11.8 +/-    0.79      21.5 +/-    0.79  0.080 / 0.080
G19     45.3           45.5               12.6 +/-    0.43      16.9 +/-    0.43  0.040 / 0.030
G24     263.7          40.7               17.2 +/-    0.80      24.7 +/-    0.80  0.040 / 0.040
G28     125.1          10.8               15.4 +/-    4.13      42.2 +/-    4.13  0.070 / 0.110