PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/07-16:28:10
G01     120.1          17.2               10.0 +/-    0.97      23.5 +/-    0.97  0.040 / 0.070
G07     77.0           67.3               11.3 +/-    0.46      12.1 +/-    0.46  0.040 / 0.070
G08     45.9           33.7                9.2 +/-    0.62      14.9 +/-    0.62  0.020 / 0.040
G09     176.8          26.8               13.3 +/-    3.19      24.9 +/-    3.19  0.020 / 0.040
G11     108.8          39.5               11.9 +/-    0.90      17.4 +/-    0.90  0.060 / 0.170
G13     318.2          18.5               11.1 +/-    2.28      25.3 +/-    2.28  0.060 / 0.190
G17     202.1          21.5               12.7 +/-    2.86      27.0 +/-    2.86  0.030 / 0.040
G18     95.6           20.4                9.7 +/-    0.92      21.2 +/-    0.92  0.030 / 0.040
G28     290.8          56.9               12.1 +/-    0.86      14.1 +/-    0.86  0.040 / 0.100
G30     345.2          67.9               11.0 +/-    0.55      11.8 +/-    0.55  0.050 / 0.100