PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/12-18:58:00
G02     24.8           61.6                6.5 +/-    0.67       7.3 +/-    0.67  0.030 / 0.040
G05     147.8          57.3                8.9 +/-    0.34      10.4 +/-    0.34  0.040 / 0.040
G06     51.6           17.9                6.5 +/-    0.43      15.1 +/-    0.43  0.030 / 0.040
G12     195.0          70.7                7.1 +/-    1.06       7.5 +/-    1.06  0.030 / 0.050
G19     94.5           15.8                8.9 +/-    0.68      21.7 +/-    0.68  0.040 / 0.050
G25     303.2          50.6                6.9 +/-    0.76       8.7 +/-    0.76  0.040 / 0.060
G29     302.9          22.9                7.0 +/-    1.66      14.4 +/-    1.66  0.050 / 0.070