PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/02-15:12:30
G02     214.0          52.8               12.2 +/-    1.11      14.9 +/-    1.11  0.050 / 0.080
G06     64.8           74.9                8.4 +/-    0.80       8.7 +/-    0.80  0.040 / 0.070
G12     319.0          37.9                6.8 +/-    0.86      10.2 +/-    0.86  0.050 / 0.080
G17     55.6           32.8                7.0 +/-    0.84      11.6 +/-    0.84  0.050 / 0.070
G19     29.6           54.5                7.3 +/-    0.45       8.7 +/-    0.45  0.030 / 0.020
G24     267.9          42.8                7.3 +/-    0.94      10.2 +/-    0.94  0.030 / 0.020
G28     119.8          16.7                7.6 +/-    0.78      18.0 +/-    0.78  0.040 / 0.050