PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/10-03:28:10
G02     216.9          64.0                4.8 +/-    1.10       5.3 +/-    1.10  0.170 / 0.340
G06     55.6           74.6                1.9 +/-    0.53       2.0 +/-    0.53  0.210 / 0.340
G12     318.8          36.4                3.5 +/-    1.54       5.4 +/-    1.54  0.030 / 0.020
G17     57.4           33.5                3.5 +/-    2.23       5.7 +/-    2.23  0.030 / 0.020
G19     41.4           48.1                3.2 +/-    1.19       4.1 +/-    1.19  0.090 / 0.060
G24     264.0          41.1                5.3 +/-    2.46       7.6 +/-    2.46  0.060 / 0.080
G28     124.0          11.8                5.1 +/-    3.24      13.5 +/-    3.24  0.070 / 0.070