PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/09-16:12:50
G01     123.0          15.0               10.2 +/-    2.29      25.3 +/-    2.29  0.030 / 0.040
G07     67.2           68.6                8.0 +/-    0.76       8.5 +/-    0.76  0.030 / 0.050
G08     47.7           36.6                6.4 +/-    0.91       9.8 +/-    0.91  0.020 / 0.040
G09     177.2          30.3                8.4 +/-    1.23      14.6 +/-    1.23  0.030 / 0.040
G11     113.1          37.9                9.5 +/-    0.85      14.3 +/-    0.85  0.040 / 0.070
G13     319.6          15.7                7.4 +/-    2.19      18.1 +/-    2.19  0.040 / 0.070
G17     201.3          18.2                9.6 +/-    1.24      22.1 +/-    1.24  0.110 / 0.210
G18     99.1           19.0                8.5 +/-    1.72      19.3 +/-    1.72  0.100 / 0.270
G28     284.7          55.4                9.3 +/-    0.87      11.0 +/-    0.87  0.040 / 0.100
G30     339.8          64.9                7.8 +/-    0.72       8.5 +/-    0.72  0.040 / 0.100