PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/06-16:13:10
G01     127.1          11.7                8.6 +/-   27.88      23.0 +/-   27.88  0.050 / 0.060
G07     51.8           69.7               13.5 +/-    0.65      14.3 +/-    0.65  0.050 / 0.050
G08     51.2           40.8               11.4 +/-    0.59      16.3 +/-    0.59  0.030 / 0.040
G09     177.9          35.6               14.1 +/-    2.45      22.1 +/-    2.45  0.030 / 0.040
G11     118.8          35.2               14.7 +/-    0.90      23.3 +/-    0.90  0.100 / 0.300
G13     321.1          11.6                3.6 +/-   27.28       9.8 +/-   27.28  0.070 / 0.310
G17     200.7          13.1               14.0 +/-    3.00      36.4 +/-    3.00  0.030 / 0.040
G18     104.0          16.6               12.4 +/-    1.02      29.6 +/-    1.02  0.030 / 0.040
G28     276.5          53.0               14.4 +/-    1.12      17.6 +/-    1.12  0.060 / 0.070
G30     333.4          60.8               12.8 +/-    0.71      14.4 +/-    0.71  0.070 / 0.080