PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/11-19:27:30
G02     200.1          17.2               15.6 +/-    1.12      36.8 +/-    1.12  0.090 / 0.240
G06     170.7          51.3               16.0 +/-    0.57      19.9 +/-    0.57  0.100 / 0.160
G13     229.7          15.3               15.6 +/-    1.58      38.5 +/-    1.58  0.070 / 0.150
G17     14.4           63.9               10.9 +/-    0.93      12.0 +/-    0.93  0.060 / 0.180
G19     304.4          70.5               12.9 +/-    0.94      13.6 +/-    0.94  0.070 / 0.180
G24     311.8          27.7               10.0 +/-    1.25      18.4 +/-    1.25  0.100 / 0.220
G28     84.2           41.6               13.1 +/-    0.64      18.6 +/-    0.64  0.040 / 0.040
G30     156.7          17.7               16.4 +/-    2.89      38.1 +/-    2.89  0.030 / 0.050