PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/29-08:12:50
G01     319.8          15.7                1.2 +/-   17.53       3.0 +/-   17.53  0.040 / 0.040
G08     261.8          14.4                8.4 +/-    1.67      21.1 +/-    1.67  0.040 / 0.070
G10     75.6           54.7                4.6 +/-    0.35       5.5 +/-    0.35  0.170 / 0.380
G11     306.0          21.2                5.5 +/-    3.78      11.7 +/-    3.78  0.160 / 0.270
G14     279.6          66.8                5.6 +/-    0.46       6.1 +/-    0.46  0.230 / 0.340
G18     307.3          37.7                5.6 +/-    1.73       8.5 +/-    1.73  0.160 / 0.380
G20     107.2          18.7                5.2 +/-    1.09      11.7 +/-    1.09  0.040 / 0.040
G27     225.6          10.2                7.4 +/-    3.05      20.4 +/-    3.05  0.050 / 0.040
G31     174.7          41.1                7.3 +/-    0.81      10.4 +/-    0.81  0.120 / 0.220
G32     6.8            68.2                5.8 +/-    0.79       6.2 +/-    0.79  0.120 / 0.220