PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/14-05:28:10
G10     292.1          50.6                6.9 +/-    3.17       8.6 +/-    3.17  0.080 / 0.110
G15     46.7           30.7                5.1 +/-    1.08       8.8 +/-    1.08  0.060 / 0.090
G20     342.2          65.3                7.7 +/-    0.62       8.4 +/-    0.62  0.030 / 0.040
G21     82.4           75.5                7.4 +/-    0.69       7.6 +/-    0.69  0.050 / 0.040
G24     101.8          24.7                9.0 +/-    1.13      17.8 +/-    1.13  0.110 / 0.080
G27     306.2          31.3                7.0 +/-    1.09      12.0 +/-    1.09  0.090 / 0.120
G32     209.4          24.1                8.6 +/-    2.42      17.3 +/-    2.42  0.100 / 0.250