PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/12-23:27:40
G08     267.6          18.8               11.7 +/-    1.50      26.6 +/-    1.50  0.040 / 0.040
G10     56.8           59.7                7.8 +/-    0.76       8.8 +/-    0.76  0.030 / 0.040
G11     311.9          17.1                8.6 +/-    1.80      20.3 +/-    1.80  0.090 / 0.240
G14     265.4          66.4                8.3 +/-    0.91       8.9 +/-    0.91  0.090 / 0.220
G18     90.4           37.0                9.9 +/-    0.94      15.1 +/-    0.94  0.050 / 0.160
G21     153.4          14.7               13.3 +/-    5.00      33.4 +/-    5.00  0.080 / 0.130
G24     41.0           12.5                8.1 +/-    1.59      21.5 +/-    1.59  0.120 / 0.160
G27     231.6          16.5               15.3 +/-    1.15      36.8 +/-    1.15  0.110 / 0.160
G31     181.1          25.8               14.7 +/-    2.73      28.2 +/-    2.73  0.150 / 0.410
G32     319.6          74.7                8.3 +/-    0.66       8.6 +/-    0.66  0.150 / 0.410