PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/11-15:57:40
G01     229.7          20.9                9.0 +/-    3.17      19.3 +/-    3.17  0.310 / 0.230
G03     294.9          67.4                9.8 +/-    1.24      10.5 +/-    1.24  0.280 / 0.190
G14     82.1           26.6                7.4 +/-    0.91      13.9 +/-    0.91  0.050 / 0.040
G16     156.2          36.4               10.5 +/-    1.53      16.2 +/-    1.53  0.040 / 0.040
G22     220.1          73.4               10.7 +/-    0.39      11.1 +/-    0.39  0.120 / 0.170
G23     302.9          32.8                7.9 +/-    1.71      13.1 +/-    1.71  0.130 / 0.160
G26     114.9          53.0               10.2 +/-    0.59      12.4 +/-    0.59  0.090 / 0.190
G31     42.9           39.1                8.0 +/-    1.41      11.8 +/-    1.41  0.090 / 0.150
G32     93.7           12.6                9.3 +/-    2.83      24.6 +/-    2.83  0.070 / 0.100