PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/30-04:12:30
G10     255.6          30.5               10.8 +/-    2.10      18.7 +/-    2.10  0.120 / 0.330
G13     48.9           26.6                6.1 +/-    1.60      11.6 +/-    1.60  0.130 / 0.440
G15     76.0           56.0                6.6 +/-    0.73       7.7 +/-    0.73  0.060 / 0.060
G16     289.1          15.0               10.9 +/-    2.22      27.2 +/-    2.22  0.050 / 0.050
G20     296.3          64.9                7.6 +/-    0.96       8.3 +/-    0.96  0.080 / 0.200
G21     340.4          63.8                6.7 +/-    0.42       7.4 +/-    0.42  0.070 / 0.240
G26     261.2          13.2               12.2 +/-    1.78      31.7 +/-    1.78  0.040 / 0.050
G29     166.6          44.3                8.0 +/-    1.21      10.9 +/-    1.21  0.030 / 0.050