PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/10-14:12:30
G02     229.0          68.3                5.7 +/-    0.60       6.0 +/-    0.60  0.040 / 0.050
G06     42.8           63.1                5.5 +/-    0.61       6.1 +/-    0.61  0.040 / 0.060
G12     320.9          46.6                5.2 +/-    0.55       6.8 +/-    0.55  0.050 / 0.110
G17     64.4           27.6                5.3 +/-    2.10       9.7 +/-    2.10  0.050 / 0.090
G19     52.2           40.6                6.6 +/-    1.29       9.5 +/-    1.29  0.040 / 0.060
G24     253.1          37.5                7.4 +/-    1.53      11.2 +/-    1.53  0.050 / 0.070
G28     127.6          11.7                5.3 +/-    2.08      14.1 +/-    2.08  0.060 / 0.100