PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/29-00:57:40
G02     212.0          56.0                9.8 +/-    0.73      11.6 +/-    0.73  0.060 / 0.060
G06     95.8           81.2                7.5 +/-    0.40       7.6 +/-    0.40  0.050 / 0.060
G12     315.7          28.9                6.1 +/-    1.15      10.9 +/-    1.15  0.070 / 0.200
G17     53.8           34.3                7.5 +/-    0.72      12.0 +/-    0.72  0.090 / 0.210
G19     32.7           52.6                7.4 +/-    1.27       9.0 +/-    1.27  0.050 / 0.050
G24     270.0          42.8                8.1 +/-    1.74      11.3 +/-    1.74  0.040 / 0.040
G28     117.7          20.9                9.3 +/-    1.27      20.1 +/-    1.27  0.080 / 0.110