PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/08-08:43:00
G01     319.5          17.5                2.3 +/-    1.14       5.4 +/-    1.14  0.210 / 0.300
G08     258.9          14.1                4.7 +/-    2.03      11.9 +/-    2.03  0.220 / 0.390
G10     78.4           52.8                3.4 +/-    0.87       4.1 +/-    0.87  0.030 / 0.040
G11     303.8          22.7                2.1 +/-    1.98       4.4 +/-    1.98  0.030 / 0.040
G14     293.4          70.9                4.0 +/-    0.40       4.2 +/-    0.40  0.130 / 0.190
G18     305.0          41.0                3.9 +/-    0.82       5.6 +/-    0.82  0.170 / 0.160
G20     104.4          29.9                5.0 +/-    0.77       8.8 +/-    0.77  0.040 / 0.060
G27     226.2          10.2                4.4 +/-    3.30      12.2 +/-    3.30  0.040 / 0.050
G31     176.3          40.2                5.3 +/-    0.72       7.7 +/-    0.72  0.070 / 0.220
G32     353.0          70.6                4.0 +/-    0.54       4.2 +/-    0.54  0.070 / 0.170