PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/27-01:42:40
G01     308.1          32.3                8.5 +/-    1.37      14.1 +/-    1.37  0.090 / 0.200
G10     104.2          42.0                9.5 +/-    0.33      13.4 +/-    0.33  0.110 / 0.160
G11     282.0          29.2               10.4 +/-    1.02      18.5 +/-    1.02  0.080 / 0.120
G14     357.4          67.0                8.0 +/-    0.75       8.6 +/-    0.75  0.070 / 0.100
G18     116.2          15.6                8.1 +/-    1.78      19.9 +/-    1.78  0.030 / 0.040
G22     308.8          24.0                8.4 +/-    1.08      16.7 +/-    1.08  0.030 / 0.040
G25     80.9           15.8                6.4 +/-    1.14      15.5 +/-    1.14  0.040 / 0.070
G31     172.6          61.2               11.2 +/-    0.91      12.6 +/-    0.91  0.040 / 0.050
G32     30.5           56.0                5.3 +/-    0.49       6.3 +/-    0.49  0.030 / 0.030