PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/14-07:27:50
G01     124.8          13.4                4.7 +/-    1.96      12.3 +/-    1.96  0.040 / 0.040
G07     64.3           68.4                5.8 +/-    0.88       6.2 +/-    0.88  0.030 / 0.040
G08     47.4           35.1                4.2 +/-    1.25       6.6 +/-    1.25  0.030 / 0.040
G09     174.0          28.3                7.5 +/-    1.77      13.7 +/-    1.77  0.030 / 0.040
G11     113.3          37.1                6.9 +/-    0.70      10.5 +/-    0.70  0.110 / 0.350
G13     320.2          14.3                1.4 +/-    2.19       3.4 +/-    2.19  0.140 / 0.460
G17     199.5          19.6                5.1 +/-    1.42      11.2 +/-    1.42  0.130 / 0.350
G18     99.1           17.9                6.0 +/-    1.43      13.9 +/-    1.43  0.110 / 0.320
G28     279.2          53.5                7.4 +/-    0.46       9.0 +/-    0.46  0.090 / 0.340
G30     333.8          61.6                4.5 +/-    0.85       5.0 +/-    0.85  0.150 / 0.430