PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/14-12:28:10
G02     216.8          57.3                7.9 +/-    1.25       9.2 +/-    1.25  0.080 / 0.080
G06     57.1           73.9                5.8 +/-    0.74       6.1 +/-    0.74  0.090 / 0.060
G12     319.0          37.9                4.0 +/-    1.00       6.1 +/-    1.00  0.080 / 0.060
G17     58.6           30.5                3.3 +/-    1.77       5.7 +/-    1.77  0.040 / 0.070
G19     34.6           52.1                6.3 +/-    2.61       7.8 +/-    2.61  0.040 / 0.020
G24     261.0          42.2                6.9 +/-    4.40       9.7 +/-    4.40  0.040 / 0.030
G28     122.3          14.7                5.8 +/-    2.61      14.5 +/-    2.61  0.040 / 0.040