PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/07-03:57:50
G01     280.1          41.4               12.8 +/-    0.59      18.2 +/-    0.59  0.070 / 0.110
G03     314.0          21.3                6.7 +/-    2.62      14.4 +/-    2.62  0.100 / 0.140
G10     125.3          23.5                9.1 +/-    0.82      18.5 +/-    0.82  0.040 / 0.060
G11     255.0          24.2               11.5 +/-    3.75      22.9 +/-    3.75  0.040 / 0.070
G14     37.0           53.0                8.2 +/-    1.18      10.0 +/-    1.18  0.050 / 0.060
G22     314.5          45.0                7.8 +/-    0.95      10.6 +/-    0.95  0.050 / 0.070
G25     55.8           16.8                7.7 +/-    1.81      18.4 +/-    1.81  0.020 / 0.020
G26     154.5          18.0               10.0 +/-    2.86      23.1 +/-    2.86  0.020 / 0.020
G31     88.6           80.6               10.5 +/-    0.70      10.7 +/-    0.70  0.060 / 0.170
G32     56.5           38.9                7.0 +/-    0.86      10.3 +/-    0.86  0.120 / 0.190