PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/10-14:42:30
G02     202.6          29.4               11.9 +/-    2.48      21.1 +/-    2.48  0.060 / 0.110
G06     165.7          64.7               11.8 +/-    0.88      12.9 +/-    0.88  0.050 / 0.090
G12     305.8          12.5                6.4 +/-    4.06      17.0 +/-    4.06  0.140 / 0.230
G17     35.3           49.8                8.7 +/-    0.63      11.0 +/-    0.63  0.130 / 0.200
G19     358.7          66.5                8.7 +/-    0.65       9.4 +/-    0.65  0.030 / 0.040
G24     303.4          34.9                8.1 +/-    1.66      12.9 +/-    1.66  0.030 / 0.040
G28     99.4           33.1                8.0 +/-    0.78      13.1 +/-    0.78  0.030 / 0.040