PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/12-08:28:10
G02     201.7          32.0                9.9 +/-    1.43      16.6 +/-    1.43  0.110 / 0.230
G06     161.4          65.6               14.1 +/-    0.97      15.3 +/-    0.97  0.190 / 0.240
G12     305.9          15.7                4.6 +/-    2.05      11.3 +/-    2.05  0.030 / 0.050
G17     32.5           51.8                6.9 +/-    1.24       8.6 +/-    1.24  0.030 / 0.040
G19     358.5          66.5                6.2 +/-    0.63       6.7 +/-    0.63  0.060 / 0.090
G24     302.3          34.9                6.8 +/-    0.92      10.8 +/-    0.92  0.050 / 0.090
G28     93.9           40.6               12.4 +/-    1.03      17.9 +/-    1.03  0.120 / 0.170