PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/06-19:57:50
G08     315.5          15.5                9.2 +/-    2.67      22.7 +/-    2.67  0.050 / 0.070
G10     315.6          56.6                9.9 +/-    1.54      11.6 +/-    1.54  0.070 / 0.060
G14     214.2          24.0               11.9 +/-    1.87      23.9 +/-    1.87  0.110 / 0.100
G15     45.6           16.9                9.8 +/-    1.81      23.3 +/-    1.81  0.090 / 0.110
G18     26.0           62.2               11.5 +/-    1.36      12.8 +/-    1.36  0.040 / 0.040
G20     79.8           11.3               11.7 +/-    1.63      31.8 +/-    1.63  0.030 / 0.050
G21     124.9          61.1               12.8 +/-    0.66      14.4 +/-    0.66  0.130 / 0.240
G24     85.3           30.1               10.5 +/-    0.96      18.4 +/-    0.96  0.120 / 0.220
G27     284.0          38.0               11.3 +/-    2.58      16.9 +/-    2.58  0.060 / 0.050
G32     217.5          41.9               12.9 +/-    1.40      18.3 +/-    1.40  0.070 / 0.050