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                3.2 +/-    1.19       5.3 +/-    1.19  0.090 / 0.110
G07     128.7          40.7                7.1 +/-    0.59      10.2 +/-    0.59  0.090 / 0.100
G11     63.1           37.3                5.6 +/-    1.23       8.6 +/-    1.23  0.060 / 0.060
G13     290.2          37.3               -0.7 +/-    4.77      -1.1 +/-    4.77  0.060 / 0.060
G17     216.4          59.8                8.3 +/-    1.04       9.4 +/-    1.04  0.020 / 0.030
G19     216.2          27.6                5.2 +/-    1.98       9.7 +/-    1.98  0.020 / 0.020
G28     351.9          61.6                4.3 +/-    0.40       4.8 +/-    0.40  0.050 / 0.030
G30     112.5          75.2                7.2 +/-    1.17       7.4 +/-    1.17  0.050 / 0.040