PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/30-01:57:50
G08     280.9          22.8               10.0 +/-    1.91      20.5 +/-    1.91  0.040 / 0.020
G10     27.8           63.0                9.7 +/-    1.47      10.8 +/-    1.47  0.030 / 0.020
G14     241.7          56.9               13.1 +/-    2.86      15.4 +/-    2.86  0.110 / 0.140
G18     75.1           46.3               11.0 +/-    0.88      14.6 +/-    0.88  0.080 / 0.120
G21     150.2          29.5               12.1 +/-    2.67      21.5 +/-    2.67  0.050 / 0.070
G24     48.9           21.6               11.2 +/-    2.50      23.7 +/-    2.50  0.080 / 0.080
G27     242.7          25.5               14.3 +/-    1.79      27.7 +/-    1.79  0.190 / 0.170
G31     182.2          14.4               14.8 +/-    1.78      37.2 +/-    1.78  0.100 / 0.130
G32     269.9          72.7               12.0 +/-    0.75      12.5 +/-    0.75  0.070 / 0.150