PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/08-14:57:30
G02     20.4           64.2                6.8 +/-    0.89       7.4 +/-    0.89  0.040 / 0.060
G05     156.5          52.5               11.8 +/-    1.00      14.4 +/-    1.00  0.050 / 0.050
G06     49.7           21.5                6.3 +/-    0.49      13.3 +/-    0.49  0.090 / 0.120
G12     207.7          75.1                8.8 +/-    0.69       9.0 +/-    0.69  0.110 / 0.130
G19     91.8           17.9                8.7 +/-    0.75      20.1 +/-    0.75  0.040 / 0.030
G25     304.6          50.4               10.3 +/-    1.84      12.9 +/-    1.84  0.030 / 0.030
G29     301.3          21.8                7.6 +/-    1.84      16.0 +/-    1.84  0.030 / 0.040