PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/19-08:27:50
G01     117.0          17.9                5.7 +/-    1.27      13.3 +/-    1.27  0.040 / 0.040
G07     84.7           64.8                7.1 +/-    0.46       7.8 +/-    0.46  0.030 / 0.030
G08     45.5           33.4                3.4 +/-    0.73       5.6 +/-    0.73  0.030 / 0.040
G09     176.1          25.1                6.2 +/-    1.63      12.0 +/-    1.63  0.030 / 0.040
G11     108.0          41.4                7.4 +/-    0.89      10.5 +/-    0.89  0.050 / 0.160
G13     316.9          21.1                2.2 +/-    2.52       4.8 +/-    2.52  0.070 / 0.150
G17     201.6          22.9                6.3 +/-    1.69      13.0 +/-    1.69  0.100 / 0.300
G18     93.0           21.0                5.8 +/-    1.50      12.4 +/-    1.50  0.080 / 0.290
G28     283.3          52.6                7.1 +/-    1.40       8.7 +/-    1.40  0.090 / 0.160
G30     343.3          68.0                4.8 +/-    1.20       5.1 +/-    1.20  0.120 / 0.170