PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/11-10:42:50
G02     329.2          80.5                3.9 +/-    0.37       4.0 +/-    0.37  0.030 / 0.030
G05     169.3          26.5                3.8 +/-    1.06       7.1 +/-    1.06  0.030 / 0.030
G06     40.3           43.6                2.6 +/-    0.61       3.5 +/-    0.61  0.080 / 0.110
G12     316.9          70.2                3.1 +/-    0.39       3.3 +/-    0.39  0.070 / 0.110
G17     81.8           13.9                4.6 +/-    2.21      11.8 +/-    2.21  0.030 / 0.030
G19     71.4           27.8                3.5 +/-    0.54       6.3 +/-    0.54  0.040 / 0.030
G24     233.5          25.9                6.3 +/-    1.64      12.0 +/-    1.64  0.050 / 0.090
G25     317.3          24.2                3.5 +/-    2.92       6.9 +/-    2.92  0.060 / 0.100