PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/08-06:58:00
G02     77.2           18.0                2.9 +/-    1.30       6.8 +/-    1.30  0.050 / 0.340
G05     44.7           39.9                1.9 +/-    0.99       2.8 +/-    0.99  0.050 / 0.300
G12     181.3          13.4                5.3 +/-    1.63      13.7 +/-    1.63  0.100 / 0.120
G13     107.9          28.6                7.5 +/-    0.92      13.5 +/-    0.92  0.100 / 0.120
G15     150.5          30.9                6.8 +/-    1.71      11.7 +/-    1.71  0.040 / 0.050
G20     229.2          15.9                7.1 +/-    5.37      17.2 +/-    5.37  0.030 / 0.060
G21     291.7          33.5                3.5 +/-    1.71       5.7 +/-    1.71  0.030 / 0.030
G25     212.1          32.9                8.5 +/-    1.59      14.0 +/-    1.59  0.020 / 0.030
G26     316.3          11.8                2.8 +/-    4.24       7.4 +/-    4.24  0.100 / 0.130
G29     8.9            80.6                4.7 +/-    0.70       4.7 +/-    0.70  0.080 / 0.120