PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/04-02:27:50
G10     245.7          23.9               13.0 +/-    4.55      26.2 +/-    4.55  0.050 / 0.060
G13     58.7           31.8                8.2 +/-    0.66      13.8 +/-    0.66  0.040 / 0.060
G15     96.2           57.4               11.9 +/-    0.46      13.8 +/-    0.46  0.050 / 0.140
G16     303.5          14.6                6.7 +/-    2.38      16.8 +/-    2.38  0.070 / 0.150
G20     262.7          47.0               13.3 +/-    0.73      17.4 +/-    0.73  0.090 / 0.210
G21     327.9          56.2                9.8 +/-    0.94      11.5 +/-    0.94  0.070 / 0.180
G26     275.1          17.3               11.3 +/-    1.82      26.5 +/-    1.82  0.030 / 0.050
G29     160.2          54.3               11.6 +/-    1.00      13.9 +/-    1.00  0.030 / 0.050