PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/13-19:12:50
G01     278.9          41.3                8.8 +/-    1.29      12.6 +/-    1.29  0.040 / 0.080
G03     314.8          25.6               10.0 +/-    2.08      19.2 +/-    2.08  0.040 / 0.070
G10     126.2          22.1               11.8 +/-    1.13      24.6 +/-    1.13  0.060 / 0.100
G11     257.6          23.0               10.2 +/-    1.86      21.0 +/-    1.86  0.060 / 0.130
G14     35.7           53.9               11.4 +/-    0.65      13.7 +/-    0.65  0.060 / 0.090
G22     314.6          46.5                8.9 +/-    1.79      11.7 +/-    1.79  0.060 / 0.090
G25     58.0           18.3               10.0 +/-    1.17      23.0 +/-    1.17  0.020 / 0.020
G26     152.0          20.0               13.3 +/-    1.32      29.3 +/-    1.32  0.020 / 0.030
G31     76.5           79.0               11.4 +/-    0.49      11.6 +/-    0.49  0.040 / 0.080
G32     59.1           36.2                8.8 +/-    0.44      13.7 +/-    0.44  0.050 / 0.080