PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/24-21:27:50
G01     97.2           29.4               11.6 +/-    1.07      20.5 +/-    1.07  0.050 / 0.060
G07     120.3          45.8               12.7 +/-    1.27      16.9 +/-    1.27  0.040 / 0.050
G08     41.6           11.5                8.2 +/-    2.77      22.1 +/-    2.77  0.060 / 0.110
G11     74.6           41.5               10.8 +/-    1.64      15.3 +/-    1.64  0.060 / 0.130
G13     301.1          34.3                9.7 +/-    1.31      15.5 +/-    1.31  0.040 / 0.040
G17     209.1          48.5               13.1 +/-    1.43      16.8 +/-    1.43  0.040 / 0.050
G18     67.6           23.6                9.0 +/-    1.51      18.2 +/-    1.51  0.120 / 0.200
G19     211.4          21.0               13.2 +/-    1.46      28.2 +/-    1.46  0.110 / 0.140
G28     327.6          61.1                9.9 +/-    0.88      11.2 +/-    0.88  0.030 / 0.030
G30     77.9           79.1               11.4 +/-    0.78      11.6 +/-    0.78  0.030 / 0.020