PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/07-14:28:10
G02     351.7          75.6                8.5 +/-    0.49       8.8 +/-    0.49  0.060 / 0.100
G05     165.3          37.2               11.7 +/-    1.22      17.9 +/-    1.22  0.050 / 0.090
G06     43.5           33.9                8.0 +/-    0.49      12.9 +/-    0.49  0.160 / 0.470
G12     290.3          78.9                8.1 +/-    0.67       8.2 +/-    0.67  0.130 / 0.370
G19     78.6           26.9                9.1 +/-    1.06      17.1 +/-    1.06  0.040 / 0.080
G24     220.9          17.4                7.5 +/-    4.66      17.6 +/-    4.66  0.040 / 0.080
G25     315.0          37.5                6.5 +/-    1.42       9.9 +/-    1.42  0.030 / 0.040
G29     290.5          12.2                8.1 +/-    1.55      21.4 +/-    1.55  0.030 / 0.030