PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/30-04:12:50
G01     317.8          20.8                6.1 +/-    5.97      13.2 +/-    5.97  0.110 / 0.250
G08     253.7          11.4                7.9 +/-    5.50      21.3 +/-    5.50  0.100 / 0.230
G10     85.2           51.0                7.0 +/-    0.89       8.7 +/-    0.89  0.050 / 0.050
G11     299.4          24.9                8.6 +/-    1.64      16.9 +/-    1.64  0.040 / 0.070
G14     302.8          70.3                5.6 +/-    0.66       5.9 +/-    0.66  0.030 / 0.040
G18     301.1          42.8                6.2 +/-    1.31       8.6 +/-    1.31  0.030 / 0.050
G20     99.1           47.8               11.3 +/-    1.03      14.7 +/-    1.03  0.080 / 0.220
G22     302.6          13.1                7.0 +/-    2.49      18.2 +/-    2.49  0.110 / 0.220
G31     172.8          47.9                6.1 +/-    0.83       8.0 +/-    0.83  0.140 / 0.320
G32     17.6           63.6                3.8 +/-    0.55       4.2 +/-    0.55  0.150 / 0.260