PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/10-15:57:50
G02     298.5          79.6               10.1 +/-    0.79      10.2 +/-    0.79  0.170 / 0.190
G05     168.0          28.5               14.3 +/-    0.88      25.9 +/-    0.88  0.150 / 0.200
G06     41.0           42.2                8.3 +/-    0.46      11.7 +/-    0.46  0.050 / 0.100
G12     315.1          71.7                9.9 +/-    0.42      10.4 +/-    0.42  0.050 / 0.110
G17     83.9           12.2               10.8 +/-    2.16      28.8 +/-    2.16  0.040 / 0.030
G19     69.0           33.2                9.8 +/-    0.45      16.2 +/-    0.45  0.030 / 0.040
G24     228.6          24.4               13.6 +/-    0.87      27.0 +/-    0.87  0.040 / 0.060
G25     317.4          27.6                6.4 +/-    2.02      11.8 +/-    2.02  0.040 / 0.060