PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/22-05:27:40
G07     39.1           69.3                6.8 +/-    0.82       7.2 +/-    0.82  0.090 / 0.080
G08     54.4           42.7                7.2 +/-    1.08      10.0 +/-    1.08  0.120 / 0.080
G09     178.8          41.8                8.6 +/-    0.68      12.1 +/-    0.68  0.030 / 0.030
G11     123.3          31.4               10.0 +/-    1.10      16.9 +/-    1.10  0.030 / 0.030
G17     199.1          11.3               -4.0 +/-   13.88     -10.8 +/-   13.88  0.050 / 0.060
G23     161.0          13.6                6.0 +/-    2.02      15.4 +/-    2.02  0.050 / 0.030
G27     37.8           10.4                3.2 +/-    3.53       8.9 +/-    3.53  0.160 / 0.370
G28     269.4          50.6                6.3 +/-    2.40       7.9 +/-    2.40  0.250 / 0.320
G30     328.4          56.8                5.5 +/-    0.53       6.5 +/-    0.53  0.070 / 0.060