PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/23-08:27:40
G02     201.3          23.3                4.5 +/-    1.02       9.2 +/-    1.02  0.080 / 0.380
G06     169.7          57.5                8.8 +/-    0.68      10.2 +/-    0.68  0.080 / 0.330
G13     224.1          10.7                5.3 +/-    2.61      14.7 +/-    2.61  0.160 / 0.470
G17     29.0           54.8                4.2 +/-    0.70       5.0 +/-    0.70  0.180 / 0.470
G19     325.4          70.1                5.3 +/-    0.44       5.6 +/-    0.44  0.030 / 0.040
G24     304.4          35.7                5.2 +/-    0.94       8.2 +/-    0.94  0.030 / 0.050
G28     90.8           39.1                7.1 +/-    0.47      10.5 +/-    0.47  0.040 / 0.120
G30     158.1          12.5                6.0 +/-    3.96      15.8 +/-    3.96  0.040 / 0.120