PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/05-14:57:40
G02     202.1          26.7               16.0 +/-    1.60      30.1 +/-    1.60  0.090 / 0.190
G03     64.9           9.4                -8.4 +/-   36.74     -23.6 +/-   36.74  0.140 / 0.220
G06     167.4          62.1               15.6 +/-    0.55      17.4 +/-    0.55  0.170 / 0.180
G12     304.4          10.8               -4.8 +/-   17.14     -13.2 +/-   17.14  0.070 / 0.070
G17     33.1           51.7               14.1 +/-    1.18      17.5 +/-    1.18  0.090 / 0.100
G19     352.9          67.9               13.7 +/-    0.44      14.7 +/-    0.44  0.030 / 0.040
G24     305.6          33.4               13.3 +/-    1.71      21.8 +/-    1.71  0.030 / 0.030
G28     96.9           34.7               12.7 +/-    0.82      20.3 +/-    0.82  0.030 / 0.040