PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/07-09:42:50
G02     212.7          57.1                5.6 +/-    1.30       6.5 +/-    1.30  0.100 / 0.110
G06     69.8           76.7                4.2 +/-    0.72       4.3 +/-    0.72  0.090 / 0.110
G12     317.5          35.4                3.4 +/-    2.10       5.4 +/-    2.10  0.100 / 0.210
G17     53.4           34.9                0.3 +/-    1.46       0.5 +/-    1.46  0.100 / 0.230
G19     36.5           50.2                4.4 +/-    2.04       5.5 +/-    2.04  0.070 / 0.070
G24     272.6          41.5                6.8 +/-    2.79       9.7 +/-    2.79  0.060 / 0.070
G28     117.1          24.1                6.0 +/-    2.14      12.1 +/-    2.14  0.060 / 0.070