PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/15-02:43:00
G08     262.8          16.8                9.5 +/-    2.67      22.7 +/-    2.67  0.310 / 0.320
G10     67.5           56.8                6.7 +/-    0.41       7.8 +/-    0.41  0.330 / 0.560
G11     308.6          19.8                6.8 +/-    1.50      15.0 +/-    1.50  0.100 / 0.520
G14     272.8          67.0                7.4 +/-    0.82       7.9 +/-    0.82  0.100 / 0.470
G18     310.4          34.7                5.8 +/-    2.28       9.2 +/-    2.28  0.040 / 0.060
G20     71.8           62.9               10.0 +/-    0.64      11.1 +/-    0.64  0.040 / 0.040
G21     155.5          13.2                7.4 +/-    1.91      19.2 +/-    1.91  0.210 / 0.370
G27     229.5          13.7               10.5 +/-   16.26      26.9 +/-   16.26  0.240 / 0.370
G31     175.9          35.7                9.3 +/-    1.40      14.5 +/-    1.40  0.130 / 0.300
G32     355.8          71.6                6.8 +/-    0.36       7.2 +/-    0.36  0.120 / 0.230