PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/02-19:13:00
G01     320.9          12.0                9.6 +/-   15.72      25.6 +/-   15.72  0.050 / 0.050
G08     261.8          16.8               16.5 +/-    1.47      39.3 +/-    1.47  0.050 / 0.050
G10     68.4           56.3               11.1 +/-    0.76      13.1 +/-    0.76  0.120 / 0.290
G11     308.1          20.3               12.8 +/-    2.12      27.9 +/-    2.12  0.120 / 0.270
G14     276.5          68.7               13.0 +/-    0.79      13.8 +/-    0.79  0.270 / 0.300
G20     99.0           34.0               11.5 +/-    0.58      18.6 +/-    0.58  0.170 / 0.350
G27     231.2          14.1               14.3 +/-    1.57      36.5 +/-    1.57  0.160 / 0.350
G31     179.8          31.7               12.7 +/-    2.50      21.6 +/-    2.50  0.140 / 0.380
G32     348.6          72.5               13.0 +/-    0.61      13.6 +/-    0.61  0.070 / 0.090