PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/24-15:28:10
G02     201.0          18.2               19.7 +/-    1.55      45.3 +/-    1.55  0.110 / 0.120
G06     171.4          53.3               16.1 +/-    0.92      19.6 +/-    0.92  0.110 / 0.140
G13     229.3          13.6               12.3 +/-    1.70      31.5 +/-    1.70  0.110 / 0.180
G17     25.2           58.1               11.5 +/-    1.05      13.3 +/-    1.05  0.110 / 0.170
G19     329.1          71.3               12.4 +/-    0.60      13.0 +/-    0.60  0.040 / 0.050
G24     311.5          27.9                7.1 +/-    2.30      13.1 +/-    2.30  0.040 / 0.040
G28     88.0           39.7               11.9 +/-    1.07      17.5 +/-    1.07  0.040 / 0.030
G30     157.5          16.6               16.1 +/-    1.76      38.5 +/-    1.76  0.060 / 0.040