PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/16-14:58:10
G01     308.8          32.5                6.0 +/-    2.09       9.9 +/-    2.09  0.050 / 0.050
G10     104.2          40.4                5.6 +/-    1.10       8.0 +/-    1.10  0.060 / 0.040
G11     282.4          28.3                3.8 +/-    0.65       6.9 +/-    0.65  0.040 / 0.050
G14     355.2          67.6                4.2 +/-    0.57       4.5 +/-    0.57  0.040 / 0.060
G18     275.0          51.6                7.1 +/-    4.31       8.8 +/-    4.31  0.120 / 0.110
G20     119.4          15.2                6.3 +/-    1.77      15.7 +/-    1.77  0.150 / 0.100
G22     309.7          26.1                4.2 +/-    2.28       8.1 +/-    2.28  0.070 / 0.060
G25     81.2           15.3                7.2 +/-    2.37      17.8 +/-    2.37  0.070 / 0.050
G31     173.6          60.0                7.3 +/-    0.92       8.3 +/-    0.92  0.110 / 0.190
G32     30.1           56.3                5.5 +/-    0.83       6.5 +/-    0.83  0.080 / 0.170