PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/16-09:12:30
G02     203.0          30.5                6.0 +/-    1.59      10.3 +/-    1.59  0.110 / 0.090
G06     163.8          65.8                6.0 +/-    0.67       6.5 +/-    0.67  0.060 / 0.080
G12     306.0          13.6                3.1 +/-    1.98       7.9 +/-    1.98  0.200 / 0.240
G17     35.8           49.1                3.3 +/-    1.26       4.2 +/-    1.26  0.100 / 0.230
G19     346.5          67.7                3.3 +/-    0.51       3.6 +/-    0.51  0.040 / 0.020
G24     297.2          39.7                3.5 +/-    5.66       5.0 +/-    5.66  0.050 / 0.030
G28     98.8           34.5                5.4 +/-    1.02       8.7 +/-    1.02  0.050 / 0.030