PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/10-18:57:50
G02     20.5           64.5                7.3 +/-    0.58       8.0 +/-    0.58  0.030 / 0.050
G05     151.8          53.7               10.9 +/-    0.70      13.2 +/-    0.70  0.030 / 0.050
G06     49.8           20.8                6.7 +/-    0.54      14.5 +/-    0.54  0.060 / 0.080
G12     201.5          74.7               10.0 +/-    1.00      10.3 +/-    1.00  0.050 / 0.070
G19     91.4           17.9               10.2 +/-    0.97      23.7 +/-    0.97  0.050 / 0.060
G25     307.1          47.7                8.6 +/-    2.43      11.2 +/-    2.43  0.040 / 0.060
G29     300.3          20.4                9.8 +/-    2.15      21.3 +/-    2.15  0.100 / 0.230