PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/06-00:12:40
G02     86.2           12.1               13.7 +/-    1.51      36.4 +/-    1.51  0.040 / 0.090
G05     45.2           28.8                9.2 +/-    0.99      16.5 +/-    0.99  0.050 / 0.100
G13     94.4           34.5               13.5 +/-    0.45      21.6 +/-    0.45  0.150 / 0.360
G15     143.9          40.5               15.8 +/-    0.84      22.8 +/-    0.84  0.150 / 0.360
G20     235.5          17.7               16.2 +/-    2.58      37.8 +/-    2.58  0.060 / 0.090
G21     299.5          37.2               12.2 +/-    0.82      18.7 +/-    0.82  0.070 / 0.110
G25     206.9          22.7               14.3 +/-    1.27      29.5 +/-    1.27  0.110 / 0.220
G26     300.7          20.1               12.1 +/-    1.97      26.5 +/-    1.97  0.080 / 0.240
G29     57.3           87.8               11.7 +/-    0.42      11.8 +/-    0.42  0.020 / 0.030