PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/12-19:12:50
G01     281.4          41.3               12.0 +/-    1.99      17.1 +/-    1.99  0.040 / 0.070
G03     314.3          24.0                9.0 +/-    1.79      18.0 +/-    1.79  0.040 / 0.060
G10     124.9          23.6               10.5 +/-    0.84      21.2 +/-    0.84  0.020 / 0.020
G11     259.4          23.7                8.1 +/-    4.47      16.2 +/-    4.47  0.020 / 0.020
G14     33.3           54.9                7.9 +/-    1.61       9.4 +/-    1.61  0.060 / 0.120
G22     314.6          44.8                8.6 +/-    0.88      11.6 +/-    0.88  0.080 / 0.130
G25     59.9           18.6                8.1 +/-    1.71      18.5 +/-    1.71  0.070 / 0.070
G26     153.2          18.5               10.5 +/-    2.99      24.0 +/-    2.99  0.070 / 0.070
G31     87.2           79.9               10.1 +/-    0.81      10.2 +/-    0.81  0.040 / 0.050
G32     57.4           37.4                8.9 +/-    1.74      13.4 +/-    1.74  0.040 / 0.050