PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/03-14:28:10
G02     205.3          34.3                8.0 +/-    1.08      12.8 +/-    1.08  0.230 / 0.310
G06     145.7          73.3                8.7 +/-    0.66       9.0 +/-    0.66  0.190 / 0.200
G12     310.8          22.5                7.0 +/-    4.24      14.6 +/-    4.24  0.040 / 0.030
G17     40.6           45.2                6.5 +/-    0.54       8.8 +/-    0.54  0.030 / 0.030
G19     357.9          65.3                5.6 +/-    0.38       6.1 +/-    0.38  0.100 / 0.080
G24     292.7          40.7                5.5 +/-   11.35       8.0 +/-   11.35  0.060 / 0.060
G28     105.0          29.5                7.1 +/-    1.60      12.5 +/-    1.60  0.030 / 0.030