PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/28-23:28:10
G08     320.2          11.8               -4.5 +/-   38.40     -12.0 +/-   38.40  0.070 / 0.080
G10     303.9          53.9               10.8 +/-    1.14      13.0 +/-    1.14  0.060 / 0.080
G14     211.5          14.9               14.6 +/-    2.94      36.3 +/-    2.94  0.030 / 0.040
G15     46.1           28.1                6.9 +/-    1.54      12.6 +/-    1.54  0.030 / 0.040
G20     293.6          43.7                8.0 +/-    0.43      11.0 +/-    0.43  0.150 / 0.580
G21     106.7          72.5               11.4 +/-    0.40      11.8 +/-    0.40  0.190 / 0.750
G24     90.9           27.6               11.5 +/-    0.53      21.3 +/-    0.53  0.120 / 0.130
G27     296.1          35.6               11.6 +/-    0.89      18.2 +/-    0.89  0.110 / 0.140
G32     212.1          38.0               12.9 +/-    1.06      19.4 +/-    1.06  0.140 / 0.360