PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/25-18:43:10
G01     320.5          14.6               -0.6 +/-   27.17      -1.4 +/-   27.17  0.160 / 0.330
G08     263.4          16.8               11.6 +/-    0.86      27.7 +/-    0.86  0.180 / 0.620
G10     70.3           54.8                8.9 +/-    0.75      10.6 +/-    0.75  0.040 / 0.040
G11     311.4          16.6                8.2 +/-    4.03      19.6 +/-    4.03  0.040 / 0.050
G14     267.6          64.4                9.6 +/-    0.74      10.5 +/-    0.74  0.160 / 0.220
G20     100.7          31.1                7.7 +/-    0.93      13.2 +/-    0.93  0.150 / 0.250
G21     155.7          11.5               10.1 +/-    5.19      27.4 +/-    5.19  0.180 / 0.370
G27     228.6          13.7               10.5 +/-    1.66      26.9 +/-    1.66  0.170 / 0.450
G31     177.4          34.3                9.3 +/-    1.41      15.0 +/-    1.41  0.040 / 0.030
G32     356.6          71.6                8.7 +/-    0.66       9.1 +/-    0.66  0.040 / 0.030