PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/06-22:12:40
G07     340.4          60.7               10.4 +/-    0.50      11.7 +/-    0.50  0.070 / 0.100
G08     93.9           51.2               11.3 +/-    1.32      14.1 +/-    1.32  0.080 / 0.120
G09     189.2          72.8               12.4 +/-    0.83      12.9 +/-    0.83  0.080 / 0.210
G11     143.7          14.6                6.7 +/-    1.91      16.7 +/-    1.91  0.120 / 0.160
G16     46.8           9.5                 6.8 +/-    4.24      19.2 +/-    4.24  0.030 / 0.030
G23     156.6          42.9               11.1 +/-    0.77      15.5 +/-    0.77  0.030 / 0.040
G27     56.6           33.2                8.6 +/-    1.23      14.1 +/-    1.23  0.120 / 0.570
G28     236.8          27.2               13.0 +/-    1.45      24.1 +/-    1.45  0.090 / 0.460
G30     302.2          35.2               10.1 +/-    1.41      15.9 +/-    1.41  0.030 / 0.030