PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/11-22:28:00
G01     93.7           30.6                9.3 +/-   24.15      16.1 +/-   24.15  0.080 / 0.130
G07     123.3          43.5                8.5 +/-    7.59      11.7 +/-    7.59  0.070 / 0.130
G11     70.6           40.5                7.5 +/-   35.00      10.8 +/-   35.00  0.050 / 0.070
G13     297.8          35.6                8.3 +/-   35.13      13.1 +/-   35.13  0.060 / 0.060
G17     211.0          52.1                9.4 +/-   36.53      11.6 +/-   36.53  0.030 / 0.040
G18     64.1           23.0                5.4 +/-    9.16      11.1 +/-    9.16  0.030 / 0.030
G19     212.7          23.7               12.5 +/-   32.81      25.2 +/-   32.81  0.070 / 0.150
G28     334.4          61.5                5.5 +/-   33.95       6.2 +/-   33.95  0.090 / 0.130
G30     92.1           78.0                7.1 +/-   34.47       7.2 +/-   34.47  0.040 / 0.060