PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/14-11:57:20
G02     244.5          77.5                6.1 +/-    0.61       6.2 +/-    0.61  0.130 / 0.190
G05     172.7          15.8                5.3 +/-    2.47      13.0 +/-    2.47  0.140 / 0.250
G06     39.9           61.6                3.3 +/-    0.69       3.7 +/-    0.69  0.110 / 0.080
G12     321.3          51.4                4.8 +/-    0.43       6.0 +/-    0.43  0.130 / 0.090
G17     72.8           20.3                4.1 +/-    0.89       9.0 +/-    0.89  0.040 / 0.040
G19     59.4           36.8                4.0 +/-    0.84       6.2 +/-    0.84  0.050 / 0.040
G24     246.2          34.6                7.7 +/-    2.04      12.3 +/-    2.04  0.120 / 0.120
G25     317.0          14.0                1.1 +/-    9.90       2.8 +/-    9.90  0.090 / 0.100