PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/14-19:27:40
G08     314.7          16.1               13.5 +/-    1.81      32.7 +/-    1.81  0.040 / 0.060
G10     317.7          57.1               13.3 +/-    0.91      15.5 +/-    0.91  0.050 / 0.070
G14     214.8          25.0               15.6 +/-    2.43      30.5 +/-    2.43  0.050 / 0.050
G15     45.8           15.7               11.7 +/-    1.67      28.5 +/-    1.67  0.050 / 0.040
G18     28.6           61.6               14.3 +/-    1.96      16.0 +/-    1.96  0.060 / 0.100
G20     80.6           10.8               13.8 +/-    1.62      37.8 +/-    1.62  0.060 / 0.100
G21     126.6          59.5               16.3 +/-    0.39      18.6 +/-    0.39  0.120 / 0.290
G24     83.8           30.2               13.7 +/-    1.13      23.9 +/-    1.13  0.320 / 0.430
G27     282.4          38.1               15.8 +/-    0.64      23.7 +/-    0.64  0.130 / 0.220
G32     218.2          43.4               17.0 +/-    1.42      23.5 +/-    1.42  0.110 / 0.190