PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/07-22:13:10
G01     319.6          17.7                8.6 +/-    1.96      20.0 +/-    1.96  0.040 / 0.050
G08     261.5          14.8                9.1 +/-    1.29      22.8 +/-    1.29  0.040 / 0.050
G10     77.0           52.8                9.4 +/-    0.70      11.5 +/-    0.70  0.140 / 0.300
G11     307.1          20.0                7.8 +/-    1.53      17.2 +/-    1.53  0.150 / 0.370
G14     280.6          67.9               10.4 +/-    0.80      11.2 +/-    0.80  0.110 / 0.260
G20     104.0          29.4               10.8 +/-    1.33      19.1 +/-    1.33  0.090 / 0.270
G27     225.8          10.9               12.3 +/-   12.53      33.6 +/-   12.53  0.290 / 0.470
G31     175.4          39.9               11.0 +/-    1.00      16.0 +/-    1.00  0.250 / 0.410
G32     4.3            69.0                9.4 +/-    0.35       9.9 +/-    0.35  0.140 / 0.230