PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/04-16:12:40
G01     317.7          20.7                4.5 +/-    1.35       9.8 +/-    1.35  0.050 / 0.070
G08     256.3          11.4                5.5 +/-    3.96      15.0 +/-    3.96  0.060 / 0.070
G10     84.7           51.7                6.5 +/-    0.67       8.1 +/-    0.67  0.150 / 0.310
G11     301.9          23.1                4.1 +/-    1.44       8.4 +/-    1.44  0.110 / 0.230
G14     304.9          70.5                5.9 +/-    0.93       6.2 +/-    0.93  0.040 / 0.050
G22     302.6          13.8                5.5 +/-    3.20      14.1 +/-    3.20  0.040 / 0.060
G31     175.0          46.2               10.4 +/-    1.85      13.8 +/-    1.85  0.050 / 0.040
G32     14.7           64.6                4.9 +/-    0.63       5.4 +/-    0.63  0.050 / 0.040