PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/08-16:13:00
G01     124.5          13.8               12.3 +/-    1.47      31.5 +/-    1.47  0.050 / 0.070
G07     61.8           69.2               11.5 +/-    0.42      12.2 +/-    0.42  0.050 / 0.050
G08     48.8           38.2               10.0 +/-    0.75      15.0 +/-    0.75  0.040 / 0.030
G09     177.5          32.2                9.8 +/-    1.24      16.4 +/-    1.24  0.030 / 0.040
G11     115.2          37.0               11.7 +/-    0.68      17.9 +/-    0.68  0.030 / 0.040
G13     320.2          14.3                8.8 +/-    2.12      22.3 +/-    2.12  0.030 / 0.030
G17     201.1          16.3               10.7 +/-    2.01      25.8 +/-    2.01  0.160 / 0.310
G18     100.9          18.1               11.3 +/-    1.42      26.1 +/-    1.42  0.210 / 0.310
G28     281.6          54.6                9.9 +/-    2.84      11.8 +/-    2.84  0.110 / 0.180
G30     337.3          63.4               10.5 +/-    0.65      11.5 +/-    0.65  0.110 / 0.210