PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/17-13:27:40
G01     317.3          21.7                4.3 +/-    3.71       9.1 +/-    3.71  0.040 / 0.060
G08     257.1          10.8                5.9 +/-    1.92      16.2 +/-    1.92  0.030 / 0.040
G10     86.6           50.8                4.7 +/-    0.96       5.8 +/-    0.96  0.240 / 0.300
G11     301.1          23.3                3.6 +/-    0.67       7.3 +/-    0.67  0.200 / 0.310
G14     305.0          70.1                4.0 +/-    0.40       4.2 +/-    0.40  0.050 / 0.040
G22     303.7          16.5                2.7 +/-    1.86       6.6 +/-    1.86  0.030 / 0.060
G25     97.9           10.5                6.9 +/-    7.92      18.9 +/-    7.92  0.120 / 0.250
G31     173.4          48.5                7.0 +/-    0.45       9.0 +/-    0.45  0.230 / 0.290
G32     18.0           63.2                3.9 +/-    0.67       4.3 +/-    0.67  0.190 / 0.200