PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/29-12:12:40
G08     268.2          16.1                6.5 +/-    1.05      15.8 +/-    1.05  0.030 / 0.040
G10     68.0           57.0                4.8 +/-    0.53       5.6 +/-    0.53  0.040 / 0.050
G11     310.4          17.7                3.6 +/-    1.73       8.4 +/-    1.73  0.130 / 0.280
G14     271.8          65.8                6.4 +/-    0.46       6.9 +/-    0.46  0.110 / 0.140
G18     310.6          34.0                2.7 +/-    1.37       4.3 +/-    1.37  0.240 / 0.430
G21     154.9          10.9                5.8 +/-    6.98      15.9 +/-    6.98  0.320 / 0.520
G27     228.3          13.0                3.5 +/-    2.93       9.1 +/-    2.93  0.070 / 0.120
G31     176.3          35.9                6.8 +/-    1.27      10.7 +/-    1.27  0.100 / 0.110
G32     355.5          71.4                4.8 +/-    0.36       5.0 +/-    0.36  0.030 / 0.030