PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/14-18:27:50
G01     305.1          36.4                5.9 +/-    1.20       9.1 +/-    1.20  0.100 / 0.170
G10     106.9          37.4               10.1 +/-    0.63      15.4 +/-    0.63  0.070 / 0.170
G11     285.6          25.5                9.7 +/-    1.77      18.8 +/-    1.77  0.060 / 0.110
G14     346.7          68.0                6.3 +/-    0.55       6.8 +/-    0.55  0.060 / 0.090
G20     121.7          10.4                8.4 +/-    1.89      23.2 +/-    1.89  0.040 / 0.050
G22     310.2          25.3                7.2 +/-    1.77      14.0 +/-    1.77  0.050 / 0.050
G25     81.6           16.1                8.9 +/-    1.66      21.5 +/-    1.66  0.080 / 0.250
G31     166.8          64.7               10.2 +/-    1.74      11.1 +/-    1.74  0.090 / 0.270
G32     38.4           50.7                8.7 +/-    0.43      10.9 +/-    0.43  0.040 / 0.060