PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/04-07:57:40
G01     68.6           32.6                6.2 +/-    0.82      10.3 +/-    0.82  0.040 / 0.040
G07     138.4          27.9                6.9 +/-    0.83      12.7 +/-    0.83  0.040 / 0.040
G11     51.4           28.2                3.4 +/-    0.57       6.3 +/-    0.57  0.050 / 0.110
G13     271.5          37.6                6.3 +/-    1.36       9.5 +/-    1.36  0.060 / 0.110
G15     303.5          14.1                0.4 +/-    1.40       1.0 +/-    1.40  0.060 / 0.070
G17     238.7          73.4                7.2 +/-    0.68       7.4 +/-    0.68  0.060 / 0.080
G18     45.8           15.6                3.2 +/-    1.86       8.0 +/-    1.86  0.070 / 0.120
G19     225.2          40.4                7.1 +/-    1.18      10.2 +/-    1.18  0.060 / 0.110
G28     20.0           59.5                5.4 +/-    0.44       6.2 +/-    0.44  0.150 / 0.570
G30     137.7          61.8                8.9 +/-    0.88       9.9 +/-    0.88  0.150 / 0.550