PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/16-17:43:10
G01     316.6          24.6                5.8 +/-    1.48      11.5 +/-    1.48  0.170 / 0.280
G08     252.3          11.0                8.0 +/-    8.54      21.8 +/-    8.54  0.140 / 0.310
G10     87.9           48.2                8.8 +/-    0.84      11.3 +/-    0.84  0.050 / 0.040
G11     302.3          21.8                6.7 +/-    2.52      14.0 +/-    2.52  0.040 / 0.040
G14     299.7          69.7                6.8 +/-    0.51       7.2 +/-    0.51  0.060 / 0.030
G20     110.7          22.3                8.8 +/-    1.48      18.4 +/-    1.48  0.050 / 0.040
G22     303.4          12.9                8.3 +/-    1.44      21.6 +/-    1.44  0.180 / 0.400
G25     97.0           10.0               -3.6 +/-   38.83     -10.1 +/-   38.83  0.170 / 0.380
G31     175.2          46.5                8.9 +/-    0.66      11.8 +/-    0.66  0.210 / 0.420
G32     19.3           62.9                6.6 +/-    0.85       7.3 +/-    0.85  0.240 / 0.410