PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/30-00:27:50
G01     276.0          41.3                8.1 +/-    0.83      11.5 +/-    0.83  0.040 / 0.070
G03     314.8          24.7                8.2 +/-    1.06      16.2 +/-    1.06  0.040 / 0.070
G10     127.4          20.8                9.2 +/-    1.10      19.8 +/-    1.10  0.020 / 0.070
G11     253.3          22.6                8.3 +/-    1.56      17.2 +/-    1.56  0.020 / 0.070
G14     40.0           51.5                5.8 +/-    0.52       7.2 +/-    0.52  0.060 / 0.120
G22     314.4          47.1                6.4 +/-    1.50       8.4 +/-    1.50  0.050 / 0.100
G25     54.6           17.1                5.1 +/-    0.82      12.0 +/-    0.82  0.080 / 0.170
G26     154.1          19.8               11.9 +/-    2.25      26.3 +/-    2.25  0.100 / 0.180
G31     82.0           81.4                7.9 +/-    0.54       7.9 +/-    0.54  0.040 / 0.080
G32     59.2           37.0                5.5 +/-    0.74       8.4 +/-    0.74  0.040 / 0.060