PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/19-21:27:50
G01     232.0          22.7                9.9 +/-    3.27      20.3 +/-    3.27  0.220 / 0.300
G03     302.9          62.1                6.0 +/-    0.82       6.7 +/-    0.82  0.150 / 0.250
G14     79.8           28.3                8.6 +/-    1.04      15.5 +/-    1.04  0.050 / 0.120
G16     153.5          36.4               11.6 +/-    1.18      18.0 +/-    1.18  0.050 / 0.110
G18     205.1          11.0                9.1 +/-    3.77      24.9 +/-    3.77  0.080 / 0.160
G22     243.8          74.9                7.4 +/-    0.73       7.6 +/-    0.73  0.090 / 0.180
G23     300.4          30.1                8.6 +/-    1.53      15.0 +/-    1.53  0.040 / 0.040
G26     115.8          51.7               11.1 +/-    0.77      13.7 +/-    0.77  0.040 / 0.050
G31     41.6           43.1                7.1 +/-    0.78       9.8 +/-    0.78  0.040 / 0.040
G32     92.9           11.6               11.2 +/-    1.66      30.1 +/-    1.66  0.030 / 0.030