PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/29-17:58:00
G01     96.9           30.0               18.3 +/-    0.98      32.1 +/-    0.98  0.090 / 0.210
G07     119.5          50.9               18.4 +/-    0.74      22.9 +/-    0.74  0.070 / 0.450
G08     42.0           13.8               12.2 +/-    2.83      31.2 +/-    2.83  0.030 / 0.040
G11     76.5           42.0               17.6 +/-    1.45      24.8 +/-    1.45  0.030 / 0.040
G13     301.0          33.7               16.6 +/-    2.33      27.0 +/-    2.33  0.020 / 0.030
G17     211.2          45.2               20.7 +/-    0.83      27.8 +/-    0.83  0.030 / 0.030
G18     70.2           24.7               18.3 +/-    1.03      35.9 +/-    1.03  0.070 / 0.090
G19     212.4          20.1               19.9 +/-    3.59      43.6 +/-    3.59  0.070 / 0.100
G28     337.7          61.9               16.7 +/-    0.44      18.7 +/-    0.44  0.130 / 0.150
G30     79.9           78.9               19.0 +/-    0.75      19.3 +/-    0.75  0.110 / 0.130