PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/11-10:57:30
G02     229.0          69.2                6.1 +/-    0.67       6.4 +/-    0.67  0.090 / 0.090
G06     42.9           64.5                5.5 +/-    0.46       6.0 +/-    0.46  0.080 / 0.100
G12     321.2          46.9                4.8 +/-    0.74       6.3 +/-    0.74  0.050 / 0.040
G17     67.5           23.5                5.1 +/-    1.21      10.2 +/-    1.21  0.030 / 0.040
G19     48.3           44.7                7.2 +/-    1.09       9.7 +/-    1.09  0.030 / 0.030
G24     246.5          37.6                6.8 +/-    1.65      10.3 +/-    1.65  0.030 / 0.030
G25     315.5          11.7              -11.2 +/-   25.13     -30.1 +/-   25.13  0.050 / 0.050