PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/11-00:13:10
G01     44.3           20.5                6.8 +/-    3.07      14.8 +/-    3.07  0.170 / 0.300
G06     179.5          28.4                9.4 +/-    1.74      17.0 +/-    1.74  0.220 / 0.180
G13     242.3          26.4                8.3 +/-    2.12      15.6 +/-    2.12  0.080 / 0.170
G15     276.0          14.1                5.7 +/-    2.13      14.5 +/-    2.13  0.080 / 0.160
G17     353.0          74.2                7.3 +/-    0.63       7.5 +/-    0.63  0.050 / 0.040
G19     259.9          65.2                8.6 +/-    0.58       9.4 +/-    0.58  0.050 / 0.050
G24     317.5          16.0                4.5 +/-    1.47      10.9 +/-    1.47  0.030 / 0.030
G28     58.9           52.2                7.1 +/-    0.91       8.7 +/-    0.91  0.040 / 0.030
G30     152.7          33.5                9.4 +/-    1.05      15.3 +/-    1.05  0.070 / 0.270