PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/10-04:58:00
G10     265.6          38.4                8.2 +/-    1.21      12.3 +/-    1.21  0.150 / 0.260
G13     42.3           18.7                4.7 +/-    1.26      10.8 +/-    1.26  0.130 / 0.210
G15     59.8           48.7                5.5 +/-    0.69       7.1 +/-    0.69  0.060 / 0.100
G20     295.1          59.6                6.7 +/-    0.80       7.6 +/-    0.80  0.060 / 0.090
G21     2.7            71.2                5.7 +/-    0.27       6.0 +/-    0.27  0.040 / 0.040
G24     121.3          13.4                5.4 +/-    2.94      14.0 +/-    2.94  0.040 / 0.040
G27     320.0          16.4                3.7 +/-    2.29       8.9 +/-    2.29  0.150 / 0.280
G29     165.5          29.8                6.4 +/-    0.66      11.3 +/-    0.66  0.120 / 0.280