PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/04-23:12:50
G08     262.9          17.0               11.5 +/-    1.52      27.1 +/-    1.52  0.150 / 0.290
G10     67.0           56.8                9.5 +/-    0.21      11.1 +/-    0.21  0.200 / 0.350
G11     308.8          19.7                8.3 +/-    0.99      18.3 +/-    0.99  0.090 / 0.400
G14     273.1          67.6               11.0 +/-    0.61      11.8 +/-    0.61  0.140 / 0.380
G18     310.2          35.5                9.1 +/-    1.19      14.3 +/-    1.19  0.050 / 0.050
G20     98.2           34.6               10.0 +/-    0.91      16.0 +/-    0.91  0.050 / 0.060
G21     155.1          12.2               11.4 +/-    1.98      30.4 +/-    1.98  0.130 / 0.350
G27     230.8          14.3               11.3 +/-    1.41      28.6 +/-    1.41  0.110 / 0.290
G31     177.7          33.4               12.6 +/-    2.50      20.7 +/-    2.50  0.080 / 0.110
G32     351.2          72.4               10.3 +/-    0.44      10.8 +/-    0.44  0.080 / 0.130