PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/22-18:57:30
G08     287.5          23.8               10.4 +/-    1.11      20.9 +/-    1.11  0.110 / 0.140
G10     16.7           62.9                8.6 +/-    0.70       9.5 +/-    0.70  0.080 / 0.140
G14     233.1          50.1               10.9 +/-    0.62      13.8 +/-    0.62  0.060 / 0.080
G20     70.5           50.1                9.8 +/-    0.42      12.3 +/-    0.42  0.060 / 0.060
G21     147.9          34.6               11.8 +/-    1.07      18.9 +/-    1.07  0.040 / 0.120
G24     49.9           20.8                6.7 +/-    0.76      14.6 +/-    0.76  0.060 / 0.110
G27     253.0          29.9               10.9 +/-    1.18      19.0 +/-    1.18  0.120 / 0.150
G32     253.6          70.4               10.2 +/-    0.44      10.8 +/-    0.44  0.110 / 0.190