PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/14-07:27:50
G01     124.8          13.4                5.8 +/-    2.17      15.0 +/-    2.17  0.040 / 0.030
G07     64.3           68.4                5.8 +/-    0.35       6.2 +/-    0.35  0.040 / 0.040
G08     47.4           35.1                4.4 +/-    0.68       7.0 +/-    0.68  0.030 / 0.020
G09     174.0          28.3                7.2 +/-    1.90      13.0 +/-    1.90  0.030 / 0.020
G11     113.3          37.1                7.3 +/-    0.67      11.2 +/-    0.67  0.160 / 0.350
G13     320.2          14.3                2.9 +/-    2.40       7.4 +/-    2.40  0.110 / 0.420
G17     199.5          19.6                4.3 +/-    1.12       9.5 +/-    1.12  0.120 / 0.220
G18     99.1           17.9                5.9 +/-    1.48      13.7 +/-    1.48  0.120 / 0.210
G28     279.2          53.5                6.7 +/-    2.44       8.1 +/-    2.44  0.100 / 0.110
G30     333.8          61.6                4.8 +/-    0.39       5.4 +/-    0.39  0.100 / 0.150