PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/08-21:57:40
G01     320.8          13.2              -11.5 +/-   33.81     -29.9 +/-   33.81  0.260 / 0.360
G08     266.4          17.2               11.2 +/-    2.30      26.5 +/-    2.30  0.140 / 0.220
G10     68.3           55.5               10.9 +/-    1.13      12.9 +/-    1.13  0.040 / 0.060
G11     311.2          17.0               10.8 +/-    2.50      25.5 +/-    2.50  0.040 / 0.060
G14     267.6          65.2               11.8 +/-    0.61      12.8 +/-    0.61  0.100 / 0.270
G20     99.2           33.1               11.0 +/-    1.28      18.1 +/-    1.28  0.110 / 0.320
G21     155.8          13.4               13.5 +/-    4.42      34.9 +/-    4.42  0.110 / 0.300
G27     229.7          14.4               12.8 +/-    1.37      32.3 +/-    1.37  0.140 / 0.300
G31     176.7          34.1               12.1 +/-    1.07      19.6 +/-    1.07  0.140 / 0.200
G32     351.1          72.6               10.3 +/-    0.77      10.8 +/-    0.77  0.170 / 0.270