PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/25-12:12:50
G01     313.5          28.1                5.6 +/-    0.87      10.2 +/-    0.87  0.080 / 0.140
G10     96.7           44.8                5.5 +/-    1.17       7.4 +/-    1.17  0.120 / 0.160
G11     289.9          27.5                7.1 +/-    2.82      13.1 +/-    2.82  0.050 / 0.050
G14     337.9          70.3                3.9 +/-    0.64       4.1 +/-    0.64  0.060 / 0.050
G18     287.4          49.4                5.5 +/-    1.19       7.0 +/-    1.19  0.030 / 0.030
G20     115.0          20.1                3.4 +/-    1.69       7.5 +/-    1.69  0.060 / 0.030
G22     307.6          22.9                5.9 +/-    2.72      12.2 +/-    2.72  0.040 / 0.050
G25     89.0           13.2                3.7 +/-    1.56       9.6 +/-    1.56  0.050 / 0.040
G31     174.1          53.9                6.7 +/-    0.40       8.1 +/-    0.40  0.090 / 0.120
G32     18.6           62.1                4.7 +/-    0.73       5.2 +/-    0.73  0.080 / 0.130