PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/29-06:28:00
G01     124.2          13.8                4.4 +/-    2.71      11.1 +/-    2.71  0.030 / 0.040
G07     66.7           68.0                5.2 +/-    0.41       5.6 +/-    0.41  0.040 / 0.040
G08     47.0           34.4                4.3 +/-    0.47       7.0 +/-    0.47  0.030 / 0.040
G09     174.5          28.4                6.7 +/-    1.43      12.2 +/-    1.43  0.020 / 0.040
G11     112.4          37.5                6.8 +/-    1.03      10.3 +/-    1.03  0.140 / 0.420
G13     320.0          14.9                3.0 +/-    2.30       7.4 +/-    2.30  0.110 / 0.570
G17     199.4          20.4                5.8 +/-    1.39      12.7 +/-    1.39  0.100 / 0.250
G18     98.2           18.2                5.2 +/-    1.89      12.1 +/-    1.89  0.100 / 0.300
G28     279.9          53.6                7.5 +/-    0.69       9.1 +/-    0.69  0.120 / 0.360
G30     334.6          62.1                4.7 +/-    0.70       5.3 +/-    0.70  0.160 / 0.340