PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/02-19:27:40
G01     319.3          17.7               12.4 +/-    2.65      28.9 +/-    2.65  0.070 / 0.030
G08     255.7          13.5               15.9 +/-    3.34      40.9 +/-    3.34  0.080 / 0.050
G10     79.5           52.8               11.5 +/-    0.53      14.1 +/-    0.53  0.220 / 0.180
G14     296.7          71.0               10.7 +/-    0.66      11.2 +/-    0.66  0.110 / 0.170
G20     105.1          29.3               13.1 +/-    1.26      23.3 +/-    1.26  0.130 / 0.390
G31     178.6          39.0               13.4 +/-    0.83      19.9 +/-    0.83  0.110 / 0.290
G32     5.3            68.2               11.0 +/-    0.37      11.8 +/-    0.37  0.070 / 0.070