PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/07-01:42:50
G01     287.8          40.6                7.0 +/-    1.28      10.1 +/-    1.28  0.040 / 0.080
G03     312.3          17.0                7.5 +/-    2.86      17.7 +/-    2.86  0.050 / 0.090
G10     121.3          27.9                7.1 +/-    0.87      13.1 +/-    0.87  0.040 / 0.100
G11     261.4          26.1               12.1 +/-    1.04      23.0 +/-    1.04  0.040 / 0.090
G14     29.3           56.6                4.9 +/-    0.73       5.8 +/-    0.73  0.050 / 0.060
G22     313.9          39.4                6.5 +/-    2.57       9.5 +/-    2.57  0.060 / 0.060
G25     62.4           18.0                6.8 +/-    0.84      15.7 +/-    0.84  0.030 / 0.030
G26     158.8          12.9               10.0 +/-    3.03      26.1 +/-    3.03  0.030 / 0.030
G31     138.1          79.9                8.6 +/-    0.83       8.8 +/-    0.83  0.060 / 0.130
G32     50.2           43.6                5.0 +/-    0.38       6.8 +/-    0.38  0.050 / 0.130