PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/02-22:12:40
G10     270.6          40.4               12.2 +/-    1.79      17.6 +/-    1.79  0.150 / 0.160
G13     40.4           15.5                7.5 +/-    3.73      18.5 +/-    3.73  0.250 / 0.200
G15     58.6           50.1                8.0 +/-    0.64      10.1 +/-    0.64  0.130 / 0.200
G16     274.1          11.2               10.4 +/-    3.04      28.3 +/-    3.04  0.110 / 0.150
G20     267.9          25.5               14.5 +/-    0.98      28.0 +/-    0.98  0.200 / 0.290
G21     7.5            73.3                8.9 +/-    0.85       9.2 +/-    0.85  0.150 / 0.300
G24     115.7          16.3               11.5 +/-    1.76      27.6 +/-    1.76  0.060 / 0.100
G27     317.3          21.0                7.4 +/-    2.94      16.0 +/-    2.94  0.080 / 0.120
G29     168.7          29.0               12.1 +/-    1.37      21.7 +/-    1.37  0.040 / 0.040
G32     204.3          13.7               16.5 +/-    3.58      42.5 +/-    3.58  0.040 / 0.040