PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/26-00:12:40
G02     24.9           62.2                9.3 +/-    0.54      10.4 +/-    0.54  0.020 / 0.020
G05     149.1          54.6               13.6 +/-    0.63      16.3 +/-    0.63  0.030 / 0.030
G06     49.5           21.9                8.9 +/-    1.74      18.6 +/-    1.74  0.030 / 0.050
G12     215.3          76.3               11.5 +/-    0.57      11.8 +/-    0.57  0.030 / 0.040
G19     92.3           16.5               11.1 +/-    1.06      26.7 +/-    1.06  0.060 / 0.060
G25     307.8          46.4                9.2 +/-    1.20      12.2 +/-    1.20  0.070 / 0.060
G29     300.6          20.8                9.4 +/-    1.46      20.2 +/-    1.46  0.110 / 0.230