PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/01-03:42:50
G01     269.3          40.9                7.7 +/-    2.25      11.0 +/-    2.25  0.040 / 0.050
G03     315.7          28.3                4.3 +/-    2.01       7.8 +/-    2.01  0.030 / 0.050
G10     130.3          15.8                4.4 +/-    1.80      10.6 +/-    1.80  0.070 / 0.060
G11     248.0          19.5                6.9 +/-    2.71      15.3 +/-    2.71  0.050 / 0.070
G14     44.0           49.9                4.6 +/-    0.91       5.8 +/-    0.91  0.120 / 0.260
G18     232.4          38.2                8.7 +/-    1.94      13.1 +/-    1.94  0.120 / 0.200
G22     313.8          51.1                6.0 +/-    0.63       7.5 +/-    0.63  0.040 / 0.050
G25     50.5           15.7                3.4 +/-    3.15       8.3 +/-    3.15  0.050 / 0.050
G31     51.7           70.4                5.4 +/-    0.42       5.7 +/-    0.42  0.110 / 0.160
G32     66.2           30.2                4.4 +/-    1.19       7.7 +/-    1.19  0.070 / 0.170