PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/29-22:12:50
G01     94.0           30.9               12.1 +/-    1.58      20.9 +/-    1.58  0.320 / 0.310
G07     122.2          48.8               13.1 +/-    0.45      16.8 +/-    0.45  0.190 / 0.580
G08     42.3           14.1                9.1 +/-    4.30      23.2 +/-    4.30  0.080 / 0.080
G11     75.2           42.2               10.9 +/-    0.61      15.3 +/-    0.61  0.070 / 0.080
G13     298.7          34.5               10.0 +/-    2.00      16.0 +/-    2.00  0.020 / 0.030
G17     213.1          46.5               12.2 +/-    0.53      16.1 +/-    0.53  0.020 / 0.030
G18     67.8           24.6               10.9 +/-    1.81      21.5 +/-    1.81  0.100 / 0.250
G19     213.3          23.7               15.1 +/-    2.34      30.4 +/-    2.34  0.150 / 0.180
G28     343.7          61.9                9.8 +/-    0.55      10.9 +/-    0.55  0.030 / 0.050
G30     97.7           75.7               11.4 +/-    0.55      11.7 +/-    0.55  0.030 / 0.040