PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/09-21:58:10
G03     248.1          69.3                9.5 +/-    1.27      10.1 +/-    1.27  0.040 / 0.050
G09     303.9          21.4                6.4 +/-    1.93      13.5 +/-    1.93  0.030 / 0.050
G14     96.2           19.3                7.9 +/-    1.78      17.7 +/-    1.78  0.120 / 0.300
G16     126.0          57.1                8.8 +/-    0.59      10.3 +/-    0.59  0.120 / 0.290
G22     199.3          57.7                9.5 +/-    0.55      11.0 +/-    0.55  0.040 / 0.050
G23     317.4          47.2                5.9 +/-    0.79       7.7 +/-    0.79  0.030 / 0.050
G26     72.6           52.4                5.6 +/-    1.10       6.9 +/-    1.10  0.030 / 0.030
G31     51.4           21.1                6.1 +/-    2.61      13.1 +/-    2.61  0.040 / 0.030