PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/31-05:12:40
G03     222.8          63.7                8.1 +/-    2.38       8.9 +/-    2.38  0.070 / 0.180
G07     253.4          14.2               10.2 +/-    2.01      26.0 +/-    2.01  0.060 / 0.220
G09     307.5          24.0                6.7 +/-    1.66      13.5 +/-    1.66  0.120 / 0.160
G14     104.4          11.3                6.0 +/-    1.67      16.4 +/-    1.67  0.110 / 0.200
G16     107.9          62.3                9.1 +/-    1.20      10.1 +/-    1.20  0.050 / 0.040
G22     193.3          48.4                7.6 +/-    2.32       9.8 +/-    2.32  0.040 / 0.040
G23     327.8          57.3                7.0 +/-    0.61       8.2 +/-    0.61  0.030 / 0.040
G26     59.2           46.8                6.9 +/-    0.67       9.1 +/-    0.67  0.040 / 0.050
G31     56.7           12.6                5.1 +/-    1.27      13.4 +/-    1.27  0.070 / 0.060