PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/07-22:57:30
G01     305.6          34.1               19.8 +/-    2.13      31.9 +/-    2.13  0.080 / 0.170
G10     107.5          39.6               24.8 +/-    0.90      36.3 +/-    0.90  0.100 / 0.160
G11     279.6          28.7               21.3 +/-    2.10      38.3 +/-    2.10  0.060 / 0.100
G14     2.6            65.7               21.7 +/-    0.37      23.6 +/-    0.37  0.110 / 0.100
G18     118.5          12.4               26.5 +/-    2.31      70.2 +/-    2.31  0.030 / 0.030
G22     309.9          26.2               19.9 +/-    2.09      37.8 +/-    2.09  0.030 / 0.030
G25     79.3           16.9               22.3 +/-    3.26      53.1 +/-    3.26  0.080 / 0.160
G31     172.6          63.8               29.2 +/-    0.23      32.1 +/-    0.23  0.090 / 0.160
G32     35.4           53.1               21.1 +/-    1.28      25.6 +/-    1.28  0.040 / 0.030