PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/13-19:12:30
G08     297.9          23.2                7.9 +/-    1.50      16.0 +/-    1.50  0.040 / 0.050
G10     354.8          62.4                9.5 +/-    0.36      10.6 +/-    0.36  0.040 / 0.040
G14     224.6          40.9               10.6 +/-    1.80      15.2 +/-    1.80  0.110 / 0.090
G20     56.0           55.5                9.8 +/-    0.56      11.6 +/-    0.56  0.090 / 0.080
G21     142.7          44.8               11.4 +/-    0.65      15.4 +/-    0.65  0.080 / 0.120
G24     58.7           25.5                9.8 +/-    1.05      18.9 +/-    1.05  0.080 / 0.150
G27     263.9          34.4               11.2 +/-    1.25      17.9 +/-    1.25  0.070 / 0.100
G32     235.0          62.3                9.8 +/-    1.50      10.9 +/-    1.50  0.070 / 0.080