PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/08-16:42:30
G01     303.4          35.4                6.2 +/-    1.78       9.7 +/-    1.78  0.070 / 0.110
G03     308.1          10.8              -14.8 +/-   21.94     -40.7 +/-   21.94  0.060 / 0.110
G10     110.1          37.5                7.5 +/-    0.49      11.4 +/-    0.49  0.080 / 0.120
G11     280.0          27.3                8.0 +/-    2.00      14.9 +/-    2.00  0.080 / 0.110
G14     2.5            65.4                5.3 +/-    0.36       5.7 +/-    0.36  0.050 / 0.040
G22     311.3          30.1                6.3 +/-    1.07      11.0 +/-    1.07  0.050 / 0.040
G25     78.7           17.8                6.9 +/-    1.95      16.0 +/-    1.95  0.030 / 0.030
G31     161.0          69.7                7.7 +/-    0.35       8.1 +/-    0.35  0.030 / 0.030
G32     40.9           49.1                6.3 +/-    0.90       8.1 +/-    0.90  0.070 / 0.080