PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/14-13:12:50
G01     320.9          11.5               -6.4 +/-   29.16     -17.2 +/-   29.16  0.180 / 0.390
G08     268.0          16.4                5.1 +/-    1.55      12.4 +/-    1.55  0.140 / 0.350
G10     66.8           57.3                5.0 +/-    0.64       5.8 +/-    0.64  0.040 / 0.040
G11     311.2          17.0                3.6 +/-    1.39       8.5 +/-    1.39  0.030 / 0.040
G14     271.2          66.0                5.9 +/-    0.44       6.4 +/-    0.44  0.210 / 0.300
G21     154.7          11.0                4.7 +/-    3.43      12.8 +/-    3.43  0.210 / 0.550
G27     228.6          13.4                3.5 +/-    3.34       9.0 +/-    3.34  0.060 / 0.090
G31     176.7          34.9                5.1 +/-    1.66       8.1 +/-    1.66  0.050 / 0.110
G32     353.1          71.9                5.0 +/-    0.39       5.2 +/-    0.39  0.260 / 0.380