PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/17-14:43:10
G03     192.9          27.5               12.6 +/-    2.77      23.2 +/-    2.77  0.130 / 0.280
G07     282.5          32.6                8.9 +/-    1.79      14.8 +/-    1.79  0.110 / 0.300
G08     149.0          20.7               11.5 +/-    2.04      25.0 +/-    2.04  0.120 / 0.300
G09     320.6          55.0                9.2 +/-    1.21      10.9 +/-    1.21  0.110 / 0.330
G16     45.4           44.4                7.7 +/-    0.93      10.5 +/-    0.93  0.110 / 0.190
G22     176.9          10.3               12.7 +/-    1.29      35.3 +/-    1.29  0.100 / 0.280
G23     88.4           80.4                8.4 +/-    0.58       8.5 +/-    0.58  0.070 / 0.110
G26     42.9           16.2                7.9 +/-    0.68      19.1 +/-    0.68  0.060 / 0.120
G27     108.0          30.1               10.5 +/-    0.60      18.3 +/-    0.60  0.030 / 0.070