PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/10-12:57:50
G02     328.3          79.9                2.7 +/-    0.56       2.7 +/-    0.56  0.110 / 0.170
G05     168.3          28.5                5.7 +/-    1.19      10.3 +/-    1.19  0.110 / 0.210
G06     40.7           41.7                2.2 +/-    0.84       3.1 +/-    0.84  0.080 / 0.160
G12     315.1          70.3                2.4 +/-    0.78       2.5 +/-    0.78  0.070 / 0.160
G17     82.8           13.8                4.2 +/-    0.96      10.8 +/-    0.96  0.060 / 0.120
G19     73.0           26.9                3.4 +/-    1.42       6.4 +/-    1.42  0.080 / 0.110
G24     232.1          24.8                3.1 +/-    1.74       6.1 +/-    1.74  0.030 / 0.040
G25     317.2          25.4                2.4 +/-    4.47       4.7 +/-    4.47  0.030 / 0.040