PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/17-00:43:10
G01     319.2          17.8                5.6 +/-    1.02      13.1 +/-    1.02  0.120 / 0.160
G08     256.2          13.2                8.5 +/-    1.24      21.9 +/-    1.24  0.120 / 0.140
G10     79.8           52.9                7.7 +/-    0.39       9.3 +/-    0.39  0.040 / 0.060
G11     302.5          23.6                6.7 +/-    1.86      13.5 +/-    1.86  0.040 / 0.050
G14     294.4          70.3                7.9 +/-    0.61       8.3 +/-    0.61  0.170 / 0.240
G18     304.1          41.1                6.2 +/-    2.90       8.8 +/-    2.90  0.170 / 0.250
G20     105.2          29.2                8.9 +/-    0.90      15.8 +/-    0.90  0.080 / 0.250
G31     175.5          42.4                9.9 +/-    1.15      13.9 +/-    1.15  0.080 / 0.200
G32     9.9            66.9                6.0 +/-    0.79       6.4 +/-    0.79  0.050 / 0.080