PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/09-03:57:50
G07     321.1          53.6                2.8 +/-    0.53       3.4 +/-    0.53  0.040 / 0.040
G08     110.9          47.7                6.2 +/-    0.54       8.0 +/-    0.54  0.030 / 0.030
G09     196.9          81.0                5.1 +/-    0.54       5.1 +/-    0.54  0.050 / 0.040
G16     44.0           14.9                1.9 +/-    2.51       4.7 +/-    2.51  0.060 / 0.040
G23     152.2          54.6                6.0 +/-    0.32       7.1 +/-    0.32  0.180 / 0.330
G27     68.1           36.9                4.2 +/-    1.36       6.4 +/-    1.36  0.240 / 0.300
G28     229.7          19.8                3.5 +/-    2.99       7.8 +/-    2.99  0.030 / 0.020
G30     293.1          27.1                1.5 +/-    2.70       2.8 +/-    2.70  0.020 / 0.020