PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/12-08:27:50
G01     260.4          39.9                6.1 +/-    0.80       8.9 +/-    0.80  0.050 / 0.090
G03     316.9          37.9                2.5 +/-    1.17       3.8 +/-    1.17  0.050 / 0.090
G10     133.1          10.1                5.4 +/-    4.40      15.1 +/-    4.40  0.040 / 0.040
G11     244.2          16.0                4.5 +/-    1.74      11.0 +/-    1.74  0.030 / 0.040
G14     50.7           46.1                2.9 +/-    1.52       3.9 +/-    1.52  0.250 / 0.300
G18     226.1          33.8                6.1 +/-    1.47       9.9 +/-    1.47  0.210 / 0.300
G22     311.7          59.7                5.2 +/-    0.77       5.9 +/-    0.77  0.050 / 0.080
G25     47.1           14.3                0.5 +/-    1.19       1.3 +/-    1.19  0.040 / 0.070
G31     46.3           66.4                2.4 +/-    0.44       2.5 +/-    0.44  0.090 / 0.180
G32     68.2           30.6                2.9 +/-    0.38       5.0 +/-    0.38  0.070 / 0.190