PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/09-01:27:50
G10     285.0          48.1               10.3 +/-    2.79      13.3 +/-    2.79  0.080 / 0.100
G15     48.5           36.0                9.0 +/-    0.83      14.0 +/-    0.83  0.080 / 0.120
G20     328.4          64.5               11.6 +/-    0.31      12.7 +/-    0.31  0.100 / 0.090
G21     53.8           77.2               11.4 +/-    0.45      11.7 +/-    0.45  0.180 / 0.080
G24     108.1          22.2               10.1 +/-    1.28      21.1 +/-    1.28  0.040 / 0.030
G27     310.4          28.6                7.7 +/-    0.87      13.8 +/-    0.87  0.040 / 0.030
G29     167.5          15.8               12.3 +/-    2.06      30.1 +/-    2.06  0.040 / 0.080
G32     207.3          21.0               12.5 +/-    0.96      26.8 +/-    0.96  0.050 / 0.080