PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/29-13:12:50
G01     113.5          21.8                8.4 +/-    0.85      17.7 +/-    0.85  0.030 / 0.030
G07     95.0           62.9                6.8 +/-    1.07       7.6 +/-    1.07  0.030 / 0.030
G08     42.7           25.0                5.8 +/-    1.04      11.3 +/-    1.04  0.110 / 0.120
G09     174.8          18.1                5.9 +/-    0.86      13.7 +/-    0.86  0.100 / 0.150
G11     97.2           41.8                6.8 +/-    0.41       9.6 +/-    0.41  0.050 / 0.080
G13     314.2          24.4                5.8 +/-    1.43      11.4 +/-    1.43  0.040 / 0.070
G17     203.2          31.5                6.3 +/-    1.10      10.7 +/-    1.10  0.060 / 0.060
G18     87.1           22.8                4.3 +/-    0.94       8.9 +/-    0.94  0.040 / 0.050
G28     304.3          59.4                6.1 +/-    1.16       7.0 +/-    1.16  0.030 / 0.040
G30     356.6          73.0                6.6 +/-    0.78       6.8 +/-    0.78  0.030 / 0.040