PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/08-05:57:40
G02     56.1           34.9                2.3 +/-    0.98       3.7 +/-    0.98  0.080 / 0.080
G05     65.5           64.2                4.5 +/-    0.70       4.9 +/-    0.70  0.060 / 0.080
G12     187.4          40.2                6.0 +/-    1.47       8.8 +/-    1.47  0.050 / 0.070
G13     131.2          11.7                3.6 +/-   12.69       9.7 +/-   12.69  0.040 / 0.070
G21     268.9          17.4                6.2 +/-    2.18      14.5 +/-    2.18  0.030 / 0.030
G25     240.5          55.0                5.5 +/-    0.74       6.5 +/-    0.74  0.030 / 0.030
G29     329.7          54.7                3.4 +/-    0.76       4.1 +/-    0.76  0.040 / 0.050