PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/03-12:58:10
G01     304.8          34.7                6.1 +/-    1.54       9.7 +/-    1.54  0.050 / 0.060
G03     307.7          10.7              -16.8 +/-   24.35     -46.2 +/-   24.35  0.040 / 0.070
G10     108.7          38.4                5.3 +/-    0.77       7.9 +/-    0.77  0.050 / 0.070
G11     281.3          27.3                6.1 +/-    1.81      11.4 +/-    1.81  0.060 / 0.070
G14     354.9          66.7                5.7 +/-    0.80       6.1 +/-    0.80  0.060 / 0.170
G18     274.5          49.5                7.2 +/-    0.86       9.1 +/-    0.86  0.070 / 0.180
G22     311.5          31.7                4.9 +/-    0.86       8.3 +/-    0.86  0.100 / 0.210
G25     80.4           17.5                5.3 +/-    0.95      12.3 +/-    0.95  0.090 / 0.210
G31     159.5          69.2                7.9 +/-    0.98       8.4 +/-    0.98  0.060 / 0.110
G32     40.4           49.4                4.8 +/-    0.67       6.1 +/-    0.67  0.080 / 0.100