PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/01-02:57:50
G10     252.4          29.5               11.5 +/-    1.11      20.4 +/-    1.11  0.040 / 0.050
G13     51.2           27.7                6.8 +/-    1.28      12.5 +/-    1.28  0.050 / 0.050
G15     80.1           56.2                7.8 +/-    0.59       9.2 +/-    0.59  0.070 / 0.140
G16     295.8          14.8                6.7 +/-    2.22      16.6 +/-    2.22  0.080 / 0.130
G20     273.1          52.2               10.2 +/-    0.63      12.6 +/-    0.63  0.100 / 0.440
G21     337.7          61.8                8.8 +/-    0.75       9.9 +/-    0.75  0.110 / 0.320
G26     267.6          14.6                7.4 +/-    1.75      18.7 +/-    1.75  0.090 / 0.150
G29     162.9          45.3               10.7 +/-    1.68      14.3 +/-    1.68  0.070 / 0.190