PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/22-06:12:30
G01     86.1           32.5                5.7 +/-    0.73       9.5 +/-    0.73  0.030 / 0.030
G07     128.7          40.7                8.4 +/-    0.78      12.0 +/-    0.78  0.030 / 0.030
G11     63.1           37.3                4.5 +/-    0.31       6.8 +/-    0.31  0.070 / 0.110
G13     290.2          37.3                0.1 +/-    1.47       0.1 +/-    1.47  0.080 / 0.100
G17     216.4          59.8                8.8 +/-    1.02      10.0 +/-    1.02  0.040 / 0.050
G19     216.2          27.6                6.3 +/-    2.91      11.7 +/-    2.91  0.040 / 0.060
G28     351.9          61.6                3.4 +/-    0.72       3.8 +/-    0.72  0.020 / 0.040
G30     112.5          75.2                8.1 +/-    1.12       8.4 +/-    1.12  0.040 / 0.040