PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/27-16:28:10
G05     53.1           10.0                8.1 +/-    2.65      22.6 +/-    2.65  0.130 / 0.330
G10     245.3          24.0               10.4 +/-    2.50      20.9 +/-    2.50  0.090 / 0.300
G13     59.1           31.7               10.5 +/-    0.97      17.8 +/-    0.97  0.050 / 0.050
G15     96.3           57.2               12.1 +/-    0.49      14.1 +/-    0.49  0.040 / 0.050
G16     301.2          15.8                4.9 +/-    3.83      12.0 +/-    3.83  0.150 / 0.650
G20     263.6          48.6               12.4 +/-    0.92      15.9 +/-    0.92  0.270 / 0.640
G21     326.8          55.4               10.5 +/-    0.93      12.4 +/-    0.93  0.030 / 0.040
G26     274.3          17.6                7.7 +/-    1.73      18.1 +/-    1.73  0.030 / 0.040
G29     161.6          58.5               13.2 +/-    0.61      15.1 +/-    0.61  0.080 / 0.160