PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/10-07:28:10
G07     43.4           69.4                5.1 +/-    0.43       5.4 +/-    0.43  0.050 / 0.040
G08     52.3           40.6                4.3 +/-    0.85       6.2 +/-    0.85  0.050 / 0.040
G09     174.3          35.3                6.9 +/-    2.39      10.9 +/-    2.39  0.040 / 0.030
G11     120.8          33.3                8.0 +/-    0.91      13.1 +/-    0.91  0.030 / 0.030
G17     198.7          12.8                3.2 +/-    1.98       8.3 +/-    1.98  0.090 / 0.150
G18     105.6          14.7                6.8 +/-    1.86      17.1 +/-    1.86  0.150 / 0.210
G23     161.2          12.7                4.9 +/-    2.15      12.8 +/-    2.15  0.170 / 0.260
G27     38.2           11.7                2.5 +/-    1.53       6.8 +/-    1.53  0.130 / 0.290
G28     268.9          49.7                5.1 +/-    1.24       6.4 +/-    1.24  0.100 / 0.280
G30     326.5          55.9                4.0 +/-    0.80       4.8 +/-    0.80  0.090 / 0.300