PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/14-13:13:00
G01     308.5          32.8               -2.1 +/-   15.31      -3.5 +/-   15.31  0.040 / 0.060
G10     104.4          40.1               -2.0 +/-   15.24      -2.9 +/-   15.24  0.040 / 0.050
G11     282.3          28.2               -1.8 +/-   15.22      -3.2 +/-   15.22  0.090 / 0.100
G14     355.6          67.5               -6.1 +/-   15.04      -6.6 +/-   15.04  0.080 / 0.100
G18     275.8          51.2               -2.0 +/-   13.99      -2.5 +/-   13.99  0.040 / 0.050
G20     119.6          15.0                0.7 +/-   13.90       1.8 +/-   13.90  0.050 / 0.050
G22     310.1          27.6               -3.4 +/-   13.88      -6.2 +/-   13.88  0.060 / 0.170
G25     82.0           15.5                4.0 +/-    1.71       9.7 +/-    1.71  0.060 / 0.170
G31     171.5          61.2               -3.1 +/-   16.08      -3.5 +/-   16.08  0.080 / 0.140
G32     28.9           57.0               -6.4 +/-   15.65      -7.5 +/-   15.65  0.070 / 0.130