PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/11-22:43:00
G08     290.6          23.4               11.2 +/-    1.41      22.8 +/-    1.41  0.060 / 0.100
G10     8.5            63.2               10.0 +/-    0.56      11.1 +/-    0.56  0.060 / 0.110
G14     231.7          49.0               15.8 +/-    1.14      20.2 +/-    1.14  0.040 / 0.110
G18     65.6           50.2               11.5 +/-    0.77      14.4 +/-    0.77  0.050 / 0.110
G21     146.4          36.6               13.5 +/-    0.83      20.8 +/-    0.83  0.120 / 0.140
G24     56.0           26.0               10.4 +/-    0.61      19.8 +/-    0.61  0.120 / 0.140
G27     251.2          30.7               13.7 +/-    1.77      23.7 +/-    1.77  0.040 / 0.040
G32     246.5          65.5               11.6 +/-    0.68      12.6 +/-    0.68  0.050 / 0.040