PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/03-22:57:50
G10     262.0          36.4               11.8 +/-    0.91      18.2 +/-    0.91  0.100 / 0.270
G13     44.1           21.0                7.5 +/-    1.29      16.1 +/-    1.29  0.160 / 0.330
G15     65.2           52.3               10.1 +/-    0.33      12.4 +/-    0.33  0.070 / 0.080
G16     284.2          13.9                9.3 +/-    2.20      23.7 +/-    2.20  0.060 / 0.080
G20     288.4          57.6               11.2 +/-    1.23      12.9 +/-    1.23  0.110 / 0.340
G21     350.8          67.9                9.2 +/-    0.71       9.9 +/-    0.71  0.160 / 0.340
G24     125.6          11.1                8.1 +/-   25.43      21.9 +/-   25.43  0.050 / 0.050
G26     257.6          10.3               10.9 +/-    2.82      30.2 +/-    2.82  0.050 / 0.050
G27     320.9          14.2                7.7 +/-    4.12      19.5 +/-    4.12  0.030 / 0.090
G29     166.2          36.5               11.4 +/-    0.90      17.6 +/-    0.90  0.070 / 0.100