PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/26-14:42:50
G02     278.5          79.2                7.0 +/-    0.75       7.1 +/-    0.75  0.170 / 0.170
G05     170.3          23.9                8.1 +/-    1.10      16.3 +/-    1.10  0.170 / 0.130
G06     40.3           46.6                5.4 +/-    0.79       7.1 +/-    0.79  0.120 / 0.220
G12     319.2          66.3                7.1 +/-    0.31       7.7 +/-    0.31  0.100 / 0.170
G17     80.6           14.4                6.8 +/-    2.10      17.1 +/-    2.10  0.030 / 0.030
G19     64.9           35.5                8.1 +/-    1.91      12.7 +/-    1.91  0.030 / 0.040
G24     231.7          27.3                7.8 +/-    1.98      14.5 +/-    1.98  0.080 / 0.120
G25     317.5          24.3                4.5 +/-    2.26       9.0 +/-    2.26  0.090 / 0.120