PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/26-08:28:10
G07     46.4           69.5                6.7 +/-    0.36       7.1 +/-    0.36  0.030 / 0.020
G08     51.5           39.9                4.1 +/-    0.95       6.0 +/-    0.95  0.030 / 0.030
G09     174.3          34.1                9.2 +/-    1.23      14.9 +/-    1.23  0.030 / 0.040
G11     119.7          34.0                9.1 +/-    1.66      14.7 +/-    1.66  0.030 / 0.040
G17     198.9          13.7                4.3 +/-    3.13      11.0 +/-    3.13  0.190 / 0.220
G18     104.9          15.3                5.8 +/-    1.54      14.4 +/-    1.54  0.080 / 0.270
G23     161.1          11.3                5.1 +/-    1.46      13.8 +/-    1.46  0.230 / 0.360
G27     37.9           10.5                3.3 +/-    2.20       9.0 +/-    2.20  0.300 / 0.410
G28     270.8          50.6                6.0 +/-    2.09       7.5 +/-    2.09  0.120 / 0.240
G30     327.8          56.9                4.6 +/-    0.78       5.4 +/-    0.78  0.120 / 0.240