PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/02-22:43:10
G01     229.8          20.7               10.3 +/-    2.64      22.4 +/-    2.64  0.110 / 0.130
G03     298.7          64.0                6.9 +/-    0.75       7.6 +/-    0.75  0.090 / 0.130
G14     82.3           26.8                6.4 +/-    1.33      12.1 +/-    1.33  0.030 / 0.020
G16     150.9          39.7               10.3 +/-    0.99      15.0 +/-    0.99  0.030 / 0.030
G22     234.2          73.8                8.2 +/-    0.53       8.5 +/-    0.53  0.250 / 0.180
G23     302.5          32.1                8.8 +/-    2.11      14.7 +/-    2.11  0.200 / 0.380
G26     109.6          53.1                8.8 +/-    0.89      10.7 +/-    0.89  0.030 / 0.030
G31     42.7           39.5                6.4 +/-    1.27       9.4 +/-    1.27  0.030 / 0.030
G32     95.3           9.5                 9.9 +/-    4.08      27.9 +/-    4.08  0.060 / 0.080