PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/01-23:57:50
G01     316.4          23.5                8.4 +/-    3.01      17.0 +/-    3.01  0.060 / 0.190
G10     89.9           48.8               11.1 +/-    0.43      14.3 +/-    0.43  0.060 / 0.210
G11     295.6          26.3                7.7 +/-    2.29      14.7 +/-    2.29  0.130 / 0.290
G14     317.5          71.0               10.1 +/-    0.72      10.6 +/-    0.72  0.130 / 0.360
G18     296.1          45.9                8.9 +/-    0.40      11.9 +/-    0.40  0.030 / 0.030
G20     110.9          24.2               10.9 +/-    1.28      21.6 +/-    1.28  0.030 / 0.040
G22     304.0          14.5                6.6 +/-    2.27      16.7 +/-    2.27  0.050 / 0.050
G25     92.6           11.2              -11.8 +/-   36.05     -32.0 +/-   36.05  0.040 / 0.050
G31     174.0          49.7               12.2 +/-    0.71      15.5 +/-    0.71  0.150 / 0.470
G32     20.6           61.9                9.7 +/-    0.53      10.9 +/-    0.53  0.160 / 0.400