PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/07-16:13:10
G01     125.6          12.9                9.1 +/-    2.03      23.7 +/-    2.03  0.030 / 0.060
G07     57.5           69.4               11.8 +/-    0.49      12.6 +/-    0.49  0.050 / 0.060
G08     49.8           39.3                8.8 +/-    0.57      12.9 +/-    0.57  0.030 / 0.040
G09     177.6          33.7               11.6 +/-    2.49      18.9 +/-    2.49  0.030 / 0.040
G11     116.8          36.2               10.9 +/-    0.84      16.8 +/-    0.84  0.100 / 0.330
G13     320.6          13.1               10.4 +/-    1.59      27.0 +/-    1.59  0.190 / 0.340
G17     200.9          14.9               11.1 +/-    1.33      27.7 +/-    1.33  0.030 / 0.050
G18     102.2          17.5               10.2 +/-    0.97      23.8 +/-    0.97  0.040 / 0.040
G28     279.4          53.9               13.0 +/-    1.05      15.7 +/-    1.05  0.060 / 0.110
G30     335.6          62.3               11.2 +/-    0.59      12.4 +/-    0.59  0.060 / 0.120