PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/06-22:42:50
G01     96.6           29.7               11.0 +/-    1.50      19.4 +/-    1.50  0.110 / 0.210
G07     120.8          45.9               12.0 +/-    0.50      16.0 +/-    0.50  0.130 / 0.110
G08     41.6           10.7                7.4 +/-    2.71      20.4 +/-    2.71  0.040 / 0.040
G11     73.7           41.3               10.2 +/-    1.10      14.6 +/-    1.10  0.040 / 0.040
G13     300.5          34.5                8.6 +/-    1.14      13.8 +/-    1.14  0.080 / 0.110
G17     209.4          49.6               11.9 +/-    0.48      15.1 +/-    0.48  0.080 / 0.110
G18     66.6           23.3                8.5 +/-    2.17      17.3 +/-    2.17  0.040 / 0.050
G19     211.7          21.3               12.4 +/-    2.73      26.4 +/-    2.73  0.040 / 0.040
G28     329.5          61.3                8.2 +/-    0.74       9.2 +/-    0.74  0.120 / 0.430
G30     78.8           79.2               10.6 +/-    0.66      10.7 +/-    0.66  0.160 / 0.390