PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/08-22:57:50
G01     303.8          35.2               12.2 +/-    1.47      19.3 +/-    1.47  0.060 / 0.130
G10     109.4          38.3               12.3 +/-    0.58      18.4 +/-    0.58  0.070 / 0.110
G11     277.5          28.6               11.4 +/-    2.89      20.6 +/-    2.89  0.080 / 0.080
G14     6.3            64.8               10.6 +/-    0.44      11.5 +/-    0.44  0.070 / 0.070
G18     119.6          11.0               14.4 +/-    2.65      39.3 +/-    2.65  0.100 / 0.160
G22     310.6          27.7               11.7 +/-    2.80      21.5 +/-    2.80  0.130 / 0.120
G25     77.4           17.3               13.7 +/-    1.28      32.3 +/-    1.28  0.030 / 0.020
G31     171.2          66.0               10.4 +/-    0.60      11.3 +/-    0.60  0.030 / 0.020
G32     37.5           51.7               10.2 +/-    1.11      12.6 +/-    1.11  0.050 / 0.040