PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/23-12:12:50
G01     315.6          25.2                4.1 +/-    1.22       7.9 +/-    1.22  0.080 / 0.160
G10     92.1           47.2                4.8 +/-    0.42       6.3 +/-    0.42  0.160 / 0.200
G11     293.9          26.6                4.8 +/-    2.10       9.1 +/-    2.10  0.050 / 0.030
G14     326.7          71.2                4.5 +/-    0.43       4.7 +/-    0.43  0.040 / 0.030
G18     292.8          47.9                5.5 +/-    7.05       7.1 +/-    7.05  0.050 / 0.050
G20     112.3          22.8                5.4 +/-    1.14      11.1 +/-    1.14  0.040 / 0.050
G22     306.0          20.0                2.0 +/-    1.40       4.5 +/-    1.40  0.030 / 0.040
G25     92.4           11.7                5.3 +/-    2.42      14.3 +/-    2.42  0.040 / 0.040
G31     175.5          49.7                6.8 +/-    0.70       8.6 +/-    0.70  0.090 / 0.180
G32     12.6           64.6                4.2 +/-    0.83       4.6 +/-    0.83  0.130 / 0.240