PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/03-05:43:00
G08     263.1          15.9                7.1 +/-    1.63      17.4 +/-    1.63  0.170 / 0.530
G10     70.6           56.1                4.7 +/-    1.45       5.5 +/-    1.45  0.120 / 0.430
G11     307.9          20.1                7.4 +/-    2.78      16.3 +/-    2.78  0.110 / 0.310
G14     274.5          66.5                5.5 +/-    0.36       6.0 +/-    0.36  0.140 / 0.370
G18     309.4          35.7                6.6 +/-    1.67      10.3 +/-    1.67  0.050 / 0.060
G20     97.2           39.4                7.9 +/-    0.98      11.6 +/-    0.98  0.040 / 0.060
G21     155.7          11.1                4.3 +/-    2.41      11.8 +/-    2.41  0.160 / 0.360
G27     228.0          12.4                4.9 +/-   12.71      12.9 +/-   12.71  0.230 / 0.470
G31     175.4          37.8                8.1 +/-    1.36      12.2 +/-    1.36  0.030 / 0.040
G32     0.3            70.3                6.3 +/-    0.68       6.7 +/-    0.68  0.030 / 0.030