PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/09-01:28:00
G01     317.3          21.9                8.0 +/-    2.27      16.8 +/-    2.27  0.110 / 0.320
G10     87.2           50.0                7.8 +/-    0.86       9.8 +/-    0.86  0.150 / 0.210
G11     297.7          25.6                9.1 +/-    1.23      17.6 +/-    1.23  0.040 / 0.040
G14     309.9          70.9                8.0 +/-    0.62       8.4 +/-    0.62  0.040 / 0.040
G18     298.9          44.4                7.9 +/-    5.25      10.8 +/-    5.25  0.100 / 0.200
G20     109.4          25.6                8.4 +/-    1.46      16.1 +/-    1.46  0.100 / 0.250
G22     303.1          13.5                7.4 +/-    2.46      19.0 +/-    2.46  0.110 / 0.160
G25     95.2           10.5              -16.3 +/-   16.55     -44.9 +/-   16.55  0.160 / 0.160
G31     173.8          48.3                9.7 +/-    1.16      12.5 +/-    1.16  0.200 / 0.240
G32     18.5           63.0                6.7 +/-    0.67       7.4 +/-    0.67  0.080 / 0.100