PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/08-17:28:10
G01     90.5           31.8               11.2 +/-    0.58      18.9 +/-    0.58  0.030 / 0.040
G07     125.3          46.1               10.8 +/-    1.70      14.3 +/-    1.70  0.030 / 0.040
G11     69.4           40.2               10.0 +/-    0.49      14.6 +/-    0.49  0.040 / 0.070
G13     294.9          35.9                9.9 +/-    0.96      15.4 +/-    0.96  0.040 / 0.070
G17     214.7          51.2               12.1 +/-    1.19      15.0 +/-    1.19  0.050 / 0.060
G18     64.2           24.0                9.3 +/-    0.59      18.5 +/-    0.59  0.040 / 0.060
G19     214.7          24.9               13.8 +/-    2.45      27.0 +/-    2.45  0.040 / 0.050
G28     348.7          61.8                7.8 +/-    0.59       8.7 +/-    0.59  0.040 / 0.050
G30     103.5          76.1               10.4 +/-    1.05      10.6 +/-    1.05  0.110 / 0.170