PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/06-17:27:50
G01     95.5           30.5               12.4 +/-    0.63      21.5 +/-    0.63  0.100 / 0.180
G07     121.0          49.8               13.7 +/-    0.50      17.3 +/-    0.50  0.120 / 0.180
G08     42.0           12.5                9.6 +/-    1.82      25.3 +/-    1.82  0.030 / 0.050
G11     74.7           41.6               12.9 +/-    1.02      18.3 +/-    1.02  0.040 / 0.060
G13     299.6          34.3               12.6 +/-    1.30      20.2 +/-    1.30  0.040 / 0.060
G17     211.9          46.8               15.6 +/-    1.29      20.5 +/-    1.29  0.040 / 0.070
G18     68.7           24.6               11.2 +/-    0.86      22.0 +/-    0.86  0.030 / 0.030
G19     212.9          21.1               14.9 +/-    1.89      31.9 +/-    1.89  0.030 / 0.030
G28     340.2          61.9               11.4 +/-    0.75      12.7 +/-    0.75  0.040 / 0.050
G30     85.5           78.5               12.9 +/-    0.61      13.2 +/-    0.61  0.040 / 0.050