PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/19-10:27:30
G02     231.3          70.7                6.6 +/-    0.56       7.0 +/-    0.56  0.040 / 0.040
G05     175.4          10.7               -6.0 +/-   12.83     -16.5 +/-   12.83  0.030 / 0.040
G06     42.1           63.5                5.4 +/-    0.41       5.9 +/-    0.41  0.240 / 0.230
G12     321.3          47.8                4.9 +/-    0.43       6.3 +/-    0.43  0.150 / 0.210
G17     68.5           22.7                4.7 +/-    2.22       9.8 +/-    2.22  0.080 / 0.070
G19     49.9           43.7                6.2 +/-    1.32       8.5 +/-    1.32  0.110 / 0.090
G24     244.8          36.9                5.5 +/-    2.39       8.4 +/-    2.39  0.140 / 0.250
G25     315.8          13.1                1.4 +/-   17.32       3.6 +/-   17.32  0.140 / 0.380