PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/07-23:58:10
G01     320.7          11.6               -6.3 +/-   37.11     -17.1 +/-   37.11  0.250 / 0.540
G08     263.0          16.8               15.1 +/-    1.43      36.0 +/-    1.43  0.240 / 0.720
G10     65.8           57.8               12.3 +/-    0.57      14.3 +/-    0.57  0.030 / 0.030
G11     308.5          20.1               12.1 +/-    1.85      26.5 +/-    1.85  0.030 / 0.030
G14     277.6          69.0               12.6 +/-    0.73      13.4 +/-    0.73  0.160 / 0.410
G18     95.0           34.1               13.7 +/-    1.16      22.2 +/-    1.16  0.160 / 0.320
G21     154.2          10.4               15.9 +/-    2.81      44.1 +/-    2.81  0.050 / 0.050
G27     228.1          13.3               17.5 +/-    2.85      45.2 +/-    2.85  0.050 / 0.050
G31     180.1          31.0               17.8 +/-    1.91      30.6 +/-    1.91  0.050 / 0.100
G32     336.6          73.2               12.5 +/-    0.58      13.0 +/-    0.58  0.080 / 0.100