PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/08-18:58:10
G02     16.3           67.0                8.5 +/-    0.78       9.2 +/-    0.78  0.040 / 0.050
G05     154.6          50.6               13.7 +/-    1.17      17.2 +/-    1.17  0.030 / 0.050
G06     48.3           23.4                8.5 +/-    0.63      17.2 +/-    0.63  0.030 / 0.040
G12     211.0          77.9                8.6 +/-    0.75       8.7 +/-    0.75  0.020 / 0.030
G19     88.7           19.8               10.3 +/-    1.27      22.8 +/-    1.27  0.040 / 0.050
G24     214.9          10.5               14.0 +/-    5.46      38.8 +/-    5.46  0.040 / 0.060
G25     309.8          45.0                7.1 +/-    2.72       9.6 +/-    2.72  0.050 / 0.090
G29     298.0          18.2                9.8 +/-    1.12      22.4 +/-    1.12  0.050 / 0.090