PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/14-03:12:50
G01     227.7          18.5                8.7 +/-    3.03      19.8 +/-    3.03  0.130 / 0.400
G03     294.4          64.6                4.5 +/-    0.74       4.9 +/-    0.74  0.130 / 0.380
G14     85.5           24.3                5.3 +/-    1.06      10.5 +/-    1.06  0.040 / 0.040
G16     153.8          40.8                9.2 +/-    1.26      13.1 +/-    1.26  0.030 / 0.030
G22     225.2          72.6                7.6 +/-    0.38       7.9 +/-    0.38  0.040 / 0.090
G23     304.9          34.4                5.8 +/-    0.69       9.3 +/-    0.69  0.050 / 0.080
G26     109.8          54.6                7.9 +/-    0.61       9.4 +/-    0.61  0.030 / 0.070
G31     43.1           37.8                3.2 +/-    0.93       4.9 +/-    0.93  0.040 / 0.070