PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/12-14:27:50
G01     305.2          34.4                5.5 +/-    1.53       8.9 +/-    1.53  0.090 / 0.100
G03     307.7          11.1               -9.0 +/-   27.53     -24.4 +/-   27.53  0.070 / 0.110
G10     108.3          38.8                8.3 +/-    0.97      12.3 +/-    0.97  0.040 / 0.050
G11     282.5          27.1                7.6 +/-    1.26      14.1 +/-    1.26  0.040 / 0.050
G14     355.9          66.6                5.5 +/-    0.86       6.0 +/-    0.86  0.150 / 0.130
G22     311.0          30.1                6.2 +/-    2.13      10.8 +/-    2.13  0.100 / 0.160
G25     80.8           17.3               10.8 +/-    2.06      25.4 +/-    2.06  0.030 / 0.030
G31     161.4          68.4                9.0 +/-    0.40       9.6 +/-    0.40  0.030 / 0.030
G32     39.6           50.0                4.9 +/-    2.12       6.2 +/-    2.12  0.270 / 0.290