PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/03-17:43:00
G01     94.0           30.9               15.2 +/-    0.97      26.2 +/-    0.97  0.250 / 0.260
G07     122.3          48.7               16.8 +/-    0.81      21.6 +/-    0.81  0.100 / 0.220
G08     42.2           11.6               10.9 +/-    2.44      29.4 +/-    2.44  0.030 / 0.040
G11     73.1           41.3               14.5 +/-    1.06      20.6 +/-    1.06  0.030 / 0.050
G13     298.3          34.8               15.3 +/-    2.61      24.4 +/-    2.61  0.030 / 0.020
G17     212.7          48.0               17.4 +/-    0.90      22.5 +/-    0.90  0.030 / 0.020
G18     67.4           24.5               14.6 +/-    1.63      28.9 +/-    1.63  0.060 / 0.140
G19     213.4          22.3               18.5 +/-    1.25      38.6 +/-    1.25  0.070 / 0.150
G28     342.8          61.9               14.1 +/-    0.72      15.7 +/-    0.72  0.100 / 0.110
G30     91.8           77.8               15.8 +/-    0.67      16.1 +/-    0.67  0.070 / 0.110