PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/14-00:12:50
G01     251.7          37.6                9.8 +/-    0.74      14.9 +/-    0.74  0.040 / 0.040
G03     316.7          39.6                7.6 +/-    1.14      11.1 +/-    1.14  0.040 / 0.050
G11     242.0          12.9               10.3 +/-    1.98      26.8 +/-    1.98  0.190 / 0.180
G14     53.6           45.5                7.8 +/-    1.65      10.4 +/-    1.65  0.120 / 0.250
G22     308.4          61.5                8.9 +/-    0.96      10.0 +/-    0.96  0.070 / 0.090
G23     284.7          18.4                9.8 +/-    1.21      22.4 +/-    1.21  0.060 / 0.080
G25     43.0           11.9                5.0 +/-    1.08      13.5 +/-    1.08  0.080 / 0.120
G26     138.6          35.7               10.1 +/-    0.74      15.9 +/-    0.74  0.050 / 0.110
G31     42.9           60.3                7.8 +/-    0.50       8.8 +/-    0.50  0.090 / 0.060
G32     74.8           23.9                7.6 +/-    0.85      15.1 +/-    0.85  0.080 / 0.070