PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/06-02:28:10
G10     249.1          26.8               14.0 +/-    1.87      26.2 +/-    1.87  0.040 / 0.050
G13     54.6           29.9                9.8 +/-    1.22      17.2 +/-    1.22  0.040 / 0.060
G15     87.7           57.2               11.7 +/-    0.90      13.7 +/-    0.90  0.100 / 0.160
G16     299.4          14.9                6.4 +/-    2.42      16.1 +/-    2.42  0.110 / 0.140
G20     267.9          49.7               11.4 +/-    0.94      14.4 +/-    0.94  0.120 / 0.400
G21     332.6          59.0               11.3 +/-    0.65      12.9 +/-    0.65  0.110 / 0.390
G26     271.1          16.0               11.3 +/-    1.66      27.4 +/-    1.66  0.060 / 0.160
G29     161.8          49.7               12.2 +/-    1.80      15.5 +/-    1.80  0.060 / 0.160