PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/10-19:12:50
G01     98.3           29.5               13.7 +/-    0.78      24.2 +/-    0.78  0.100 / 0.360
G07     118.0          52.1               14.9 +/-    0.81      18.3 +/-    0.81  0.100 / 0.350
G08     42.0           15.7               10.1 +/-    1.83      24.6 +/-    1.83  0.040 / 0.070
G11     78.8           42.5               14.5 +/-    0.59      20.3 +/-    0.59  0.040 / 0.080
G13     302.4          33.1               13.3 +/-    1.23      21.9 +/-    1.23  0.060 / 0.150
G17     210.8          42.9               17.1 +/-    0.87      23.7 +/-    0.87  0.060 / 0.150
G18     71.7           24.8               12.9 +/-    1.16      25.2 +/-    1.16  0.040 / 0.050
G19     211.9          19.4               17.9 +/-    2.30      40.0 +/-    2.30  0.030 / 0.050
G28     335.4          61.8               13.3 +/-    0.72      14.9 +/-    0.72  0.030 / 0.060
G30     75.6           78.9               13.8 +/-    0.63      14.0 +/-    0.63  0.030 / 0.060