PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/09-19:27:50
G05     50.3           14.1                8.7 +/-    0.85      22.2 +/-    0.85  0.050 / 0.070
G10     239.5          18.0               15.6 +/-    2.01      36.0 +/-    2.01  0.060 / 0.080
G13     68.0           34.4               10.9 +/-    0.77      17.4 +/-    0.77  0.060 / 0.160
G15     117.5          55.5               13.1 +/-    0.60      15.5 +/-    0.60  0.050 / 0.120
G16     309.1          14.3                9.2 +/-    1.44      23.3 +/-    1.44  0.040 / 0.040
G20     253.9          41.8               15.0 +/-    1.34      21.3 +/-    1.34  0.030 / 0.050
G21     318.1          49.6               13.2 +/-    0.87      16.7 +/-    0.87  0.100 / 0.220
G26     282.1          19.5               10.3 +/-    1.98      22.9 +/-    1.98  0.060 / 0.160
G29     157.3          67.0               13.3 +/-    0.99      14.4 +/-    0.99  0.110 / 0.360