PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/19-12:28:00
G01     315.9          24.7                2.5 +/-    1.11       4.9 +/-    1.11  0.180 / 0.150
G10     91.3           47.6                3.4 +/-    0.75       4.4 +/-    0.75  0.080 / 0.150
G11     294.5          26.5                4.3 +/-    2.51       8.2 +/-    2.51  0.040 / 0.040
G14     324.8          71.3                3.2 +/-    0.45       3.3 +/-    0.45  0.040 / 0.050
G18     293.5          47.6                4.5 +/-    7.76       5.8 +/-    7.76  0.040 / 0.030
G20     111.8          23.2                4.6 +/-    0.92       9.4 +/-    0.92  0.050 / 0.030
G22     305.6          19.3                0.9 +/-    1.22       2.1 +/-    1.22  0.090 / 0.160
G25     92.8           11.5                4.3 +/-    4.26      11.7 +/-    4.26  0.100 / 0.180
G31     175.8          48.8                4.8 +/-    0.80       6.1 +/-    0.80  0.040 / 0.040
G32     11.9           64.9                3.0 +/-    0.98       3.3 +/-    0.98  0.050 / 0.050