PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/26-23:28:10
G08     297.6          22.9               11.2 +/-    0.80      23.1 +/-    0.80  0.040 / 0.080
G10     353.1          62.4                9.1 +/-    0.62      10.1 +/-    0.62  0.050 / 0.080
G14     225.6          42.9               16.7 +/-    1.19      23.2 +/-    1.19  0.090 / 0.080
G18     55.9           54.1               11.7 +/-    0.61      14.1 +/-    0.61  0.060 / 0.100
G21     142.7          44.2               14.3 +/-    1.58      19.4 +/-    1.58  0.030 / 0.040
G24     62.9           28.7               10.8 +/-    0.51      19.5 +/-    0.51  0.030 / 0.040
G27     258.8          34.1               13.3 +/-    1.38      21.4 +/-    1.38  0.070 / 0.110
G32     235.4          59.6               14.6 +/-    0.38      16.6 +/-    0.38  0.080 / 0.120