PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/10-04:43:00
G01     246.9          33.3                5.4 +/-    1.18       8.8 +/-    1.18  0.070 / 0.100
G03     315.2          44.8                3.5 +/-    1.22       4.7 +/-    1.22  0.070 / 0.100
G11     232.6          11.0                6.8 +/-    1.61      18.5 +/-    1.61  0.030 / 0.040
G14     65.1           37.3                3.0 +/-    0.65       4.6 +/-    0.65  0.030 / 0.040
G16     163.5          20.2                7.0 +/-    2.04      15.4 +/-    2.04  0.060 / 0.140
G22     300.0          68.8                5.2 +/-    1.04       5.5 +/-    1.04  0.050 / 0.130
G23     288.5          20.1                4.4 +/-    1.41       9.8 +/-    1.41  0.080 / 0.300
G26     136.6          39.8                5.5 +/-    0.75       8.0 +/-    0.75  0.080 / 0.230
G31     39.6           57.0                4.1 +/-    0.36       4.8 +/-    0.36  0.030 / 0.040
G32     79.2           22.8                3.0 +/-    0.69       6.1 +/-    0.69  0.020 / 0.040