PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/22-01:42:50
G01     314.5          25.8                5.9 +/-    2.60      11.3 +/-    2.60  0.080 / 0.150
G10     93.0           48.3                5.8 +/-    0.80       7.5 +/-    0.80  0.080 / 0.130
G11     292.3          27.9                5.1 +/-    1.65       9.3 +/-    1.65  0.110 / 0.190
G14     333.2          70.6                6.0 +/-    0.67       6.3 +/-    0.67  0.100 / 0.150
G18     109.5          22.4                5.7 +/-    1.43      11.7 +/-    1.43  0.030 / 0.030
G22     305.0          17.0                5.2 +/-    1.77      12.3 +/-    1.77  0.030 / 0.030
G25     89.7           12.6                5.5 +/-    1.95      14.5 +/-    1.95  0.040 / 0.050
G31     176.0          50.9                8.5 +/-    1.00      10.6 +/-    1.00  0.040 / 0.040
G32     18.1           62.4                4.5 +/-    0.54       5.0 +/-    0.54  0.050 / 0.050