PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/29-19:43:10
G02     69.7           25.9                8.8 +/-    1.12      16.8 +/-    1.12  0.030 / 0.050
G05     46.7           48.6                9.6 +/-    0.80      12.3 +/-    0.80  0.030 / 0.050
G12     178.7          14.6               14.3 +/-    1.79      36.0 +/-    1.79  0.090 / 0.200
G13     115.5          24.6               12.8 +/-    1.20      25.3 +/-    1.20  0.120 / 0.260
G15     159.2          22.1               14.9 +/-    0.88      31.2 +/-    0.88  0.120 / 0.240
G21     282.6          25.0               13.1 +/-    2.08      25.6 +/-    2.08  0.110 / 0.250
G25     218.9          39.9               12.9 +/-    1.48      18.7 +/-    1.48  0.080 / 0.220
G26     317.2          12.5                9.9 +/-    2.83      26.0 +/-    2.83  0.060 / 0.200
G29     336.6          67.5               10.9 +/-    1.59      11.7 +/-    1.59  0.060 / 0.090