PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/07-00:12:30
G02     14.1           68.9               10.4 +/-    0.88      11.1 +/-    0.88  0.050 / 0.090
G05     156.6          46.0               15.0 +/-    0.50      19.9 +/-    0.50  0.050 / 0.090
G06     44.4           31.8                8.5 +/-    0.83      14.3 +/-    0.83  0.030 / 0.050
G12     280.5          77.9               10.7 +/-    0.63      10.9 +/-    0.63  0.040 / 0.040
G19     85.4           19.6               12.1 +/-    0.83      26.9 +/-    0.83  0.220 / 0.420
G24     219.1          14.3               18.4 +/-    6.53      46.7 +/-    6.53  0.190 / 0.420
G25     313.2          39.9                9.5 +/-    2.80      13.9 +/-    2.80  0.030 / 0.030
G29     296.0          19.0               10.0 +/-    1.74      22.5 +/-    1.74  0.030 / 0.040