PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/30-23:28:00
G08     318.1          13.8                8.9 +/-    1.94      22.7 +/-    1.94  0.050 / 0.080
G10     309.1          55.4                9.3 +/-    0.60      11.0 +/-    0.60  0.040 / 0.080
G14     212.5          18.0               16.3 +/-    1.42      37.6 +/-    1.42  0.030 / 0.040
G15     45.8           25.3                7.5 +/-    0.49      14.5 +/-    0.49  0.030 / 0.040
G20     296.2          44.7                9.0 +/-    0.61      12.1 +/-    0.61  0.100 / 0.280
G21     114.6          70.1               10.8 +/-    0.64      11.4 +/-    0.64  0.130 / 0.500
G24     87.2           28.4               10.1 +/-    0.65      18.3 +/-    0.65  0.080 / 0.130
G27     292.2          36.6               10.8 +/-    1.00      16.6 +/-    1.00  0.070 / 0.120
G32     213.8          41.2               14.0 +/-    1.23      20.0 +/-    1.23  0.110 / 0.290