PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/08-20:42:40
G02     0.2            74.3                7.6 +/-    0.46       7.9 +/-    0.46  0.040 / 0.020
G05     160.7          40.6               11.0 +/-    0.56      15.8 +/-    0.56  0.030 / 0.020
G06     44.1           32.5                6.6 +/-    1.55      11.0 +/-    1.55  0.040 / 0.080
G12     284.6          79.9                8.3 +/-    0.66       8.4 +/-    0.66  0.040 / 0.060
G19     79.9           25.4                9.6 +/-    2.04      18.6 +/-    2.04  0.260 / 0.310
G24     222.3          17.6               12.0 +/-    1.15      28.0 +/-    1.15  0.150 / 0.220
G25     315.5          35.3                8.1 +/-    0.67      12.8 +/-    0.67  0.080 / 0.060
G29     290.7          11.8                6.4 +/-   14.69      17.2 +/-   14.69  0.070 / 0.060