PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/12-02:12:30
G10     252.5          29.6               11.6 +/-    1.04      20.5 +/-    1.04  0.040 / 0.060
G13     51.2           27.7                6.6 +/-    0.74      12.1 +/-    0.74  0.050 / 0.060
G15     80.2           56.3                7.7 +/-    0.46       9.0 +/-    0.46  0.070 / 0.140
G16     295.4          15.0                7.6 +/-    3.06      19.0 +/-    3.06  0.070 / 0.120
G20     273.0          52.1               10.0 +/-    0.94      12.3 +/-    0.94  0.100 / 0.430
G21     337.2          61.6                8.9 +/-    0.98      10.0 +/-    0.98  0.100 / 0.450
G26     267.3          14.6                8.1 +/-    1.89      20.4 +/-    1.89  0.080 / 0.150
G29     163.1          45.7                8.6 +/-    0.72      11.5 +/-    0.72  0.070 / 0.190