PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/15-02:28:00
G07     315.5          51.2                4.3 +/-    0.79       5.4 +/-    0.79  0.110 / 0.170
G08     119.0          45.4                7.9 +/-    0.58      10.6 +/-    0.58  0.110 / 0.180
G09     220.7          84.2                4.8 +/-    0.57       4.8 +/-    0.57  0.050 / 0.050
G16     43.5           16.1                1.6 +/-    2.43       3.8 +/-    2.43  0.050 / 0.050
G23     149.5          56.4                6.8 +/-    0.80       8.0 +/-    0.80  0.210 / 0.480
G27     70.3           36.3                4.7 +/-    1.13       7.2 +/-    1.13  0.190 / 0.440
G30     289.9          23.8                4.4 +/-    0.78       8.8 +/-    0.78  0.030 / 0.060