PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/29-14:27:50
G01     235.5          26.1                6.3 +/-    1.56      11.9 +/-    1.56  0.150 / 0.170
G03     306.2          62.4                5.3 +/-    0.74       5.9 +/-    0.74  0.170 / 0.130
G14     75.3           31.1                4.8 +/-    1.61       8.2 +/-    1.61  0.120 / 0.150
G16     159.5          29.4                7.6 +/-    2.10      13.4 +/-    2.10  0.080 / 0.160
G18     208.5          14.7                7.2 +/-    2.69      18.1 +/-    2.69  0.080 / 0.120
G22     244.1          77.1                6.5 +/-    0.53       6.7 +/-    0.53  0.070 / 0.120
G23     297.7          28.4                5.3 +/-    2.05       9.6 +/-    2.05  0.040 / 0.050
G26     124.5          48.7                8.9 +/-    0.83      11.4 +/-    0.83  0.040 / 0.040
G31     41.3           45.1                5.6 +/-    1.16       7.6 +/-    1.16  0.030 / 0.030
G32     87.5           17.8                6.8 +/-    1.31      15.7 +/-    1.31  0.030 / 0.030