PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/13-14:12:30
G01     309.5          31.3                8.7 +/-    1.69      14.9 +/-    1.69  0.130 / 0.160
G10     103.0          42.3                9.8 +/-    0.79      13.7 +/-    0.79  0.140 / 0.130
G11     288.0          26.7                8.8 +/-    1.32      16.6 +/-    1.32  0.040 / 0.050
G14     343.7          68.5                6.9 +/-    0.79       7.4 +/-    0.79  0.050 / 0.050
G22     309.3          26.1                7.6 +/-    1.13      14.5 +/-    1.13  0.020 / 0.020
G25     85.8           15.9                9.5 +/-    2.39      23.1 +/-    2.39  0.030 / 0.040
G31     166.7          63.0               11.0 +/-    0.44      12.2 +/-    0.44  0.080 / 0.140
G32     34.4           53.6                8.2 +/-    1.54      10.0 +/-    1.54  0.090 / 0.170