PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/09-18:13:00
G01     316.6          24.7                7.6 +/-    3.67      14.9 +/-    3.67  0.250 / 0.280
G08     252.4          10.9                8.2 +/-    2.21      22.5 +/-    2.21  0.180 / 0.250
G10     88.1           48.2                9.0 +/-    0.55      11.6 +/-    0.55  0.110 / 0.230
G11     301.9          22.1                6.5 +/-    2.17      13.6 +/-    2.17  0.120 / 0.130
G14     299.5          69.6               10.2 +/-    0.74      10.9 +/-    0.74  0.080 / 0.150
G20     110.8          22.3               10.5 +/-    2.08      21.8 +/-    2.08  0.040 / 0.050
G22     303.4          12.9                6.7 +/-    2.62      17.5 +/-    2.62  0.040 / 0.050
G25     97.0           10.1              -14.6 +/-   29.69     -40.7 +/-   29.69  0.150 / 0.610
G31     174.9          46.9               11.4 +/-    2.14      14.9 +/-    2.14  0.130 / 0.650
G32     19.4           62.8                8.7 +/-    0.61       9.7 +/-    0.61  0.030 / 0.040