PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/10-16:43:10
G07     41.9           67.9               12.8 +/-    0.93      13.7 +/-    0.93  0.120 / 0.110
G08     59.8           46.4               10.5 +/-    2.12      13.9 +/-    2.12  0.080 / 0.110
G09     180.4          48.1               13.7 +/-    1.63      17.7 +/-    1.63  0.030 / 0.030
G11     126.8          30.2               14.9 +/-    2.21      25.9 +/-    2.21  0.040 / 0.040
G18     110.5          11.7               12.9 +/-    1.84      34.7 +/-    1.84  0.040 / 0.040
G23     160.0          16.3               10.0 +/-    1.93      24.2 +/-    1.93  0.050 / 0.030
G27     40.0           16.3                9.6 +/-    2.67      23.1 +/-    2.67  0.130 / 0.320
G28     258.5          43.0               13.6 +/-    2.16      18.8 +/-    2.16  0.170 / 0.270
G30     325.0          54.9               12.0 +/-    0.43      14.3 +/-    0.43  0.100 / 0.230