PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/09-08:13:10
G02     199.6          19.4                4.1 +/-    1.36       9.2 +/-    1.36  0.100 / 0.230
G06     169.8          52.0                7.6 +/-    1.28       9.3 +/-    1.28  0.090 / 0.270
G13     227.2          14.8                4.9 +/-    3.02      12.2 +/-    3.02  0.050 / 0.030
G17     19.5           61.5                4.5 +/-    0.51       5.0 +/-    0.51  0.030 / 0.030
G19     322.8          72.0                4.4 +/-    0.67       4.6 +/-    0.67  0.110 / 0.300
G24     311.7          26.8                1.9 +/-    0.77       3.6 +/-    0.77  0.140 / 0.300
G28     78.8           47.5               -5.3 +/-    0.80      -7.0 +/-    0.80  0.050 / 0.070
G30     158.0          19.4                5.1 +/-    1.20      11.5 +/-    1.20  0.050 / 0.080