PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/11-19:12:50
G01     315.1          25.7                9.5 +/-    1.30      18.2 +/-    1.30  0.080 / 0.160
G10     93.4           46.9               11.4 +/-    0.40      15.0 +/-    0.40  0.060 / 0.170
G11     292.5          27.2                9.3 +/-    1.05      17.3 +/-    1.05  0.040 / 0.040
G14     329.1          70.9               10.7 +/-    0.94      11.3 +/-    0.94  0.040 / 0.050
G18     290.8          48.6               13.8 +/-    0.97      17.8 +/-    0.97  0.040 / 0.050
G20     113.0          22.1               13.0 +/-    2.90      27.2 +/-    2.90  0.040 / 0.050
G22     305.3          16.8                9.5 +/-    0.93      22.6 +/-    0.93  0.080 / 0.210
G25     87.0           12.0               12.3 +/-    1.99      33.0 +/-    1.99  0.070 / 0.170
G31     177.0          49.5               13.7 +/-    0.91      17.4 +/-    0.91  0.130 / 0.210
G32     21.5           61.2               10.0 +/-    0.42      11.2 +/-    0.42  0.110 / 0.200