PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/04-18:13:10
G10     281.1          45.8               12.6 +/-    1.11      16.8 +/-    1.11  0.060 / 0.140
G15     51.0           41.7                8.8 +/-    0.85      12.5 +/-    0.85  0.070 / 0.150
G20     323.3          64.4                9.4 +/-    0.67      10.3 +/-    0.67  0.040 / 0.040
G21     51.2           76.6               10.9 +/-    0.59      11.2 +/-    0.59  0.040 / 0.050
G24     106.0          21.0               13.6 +/-    1.03      29.2 +/-    1.03  0.090 / 0.170
G27     312.7          26.1                9.3 +/-    2.07      17.6 +/-    2.07  0.100 / 0.140
G29     168.2          18.7               12.7 +/-    1.28      28.8 +/-    1.28  0.040 / 0.060
G32     206.5          20.4               10.0 +/-    2.38      21.8 +/-    2.38  0.040 / 0.070