PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/08-21:43:10
G01     219.8          12.8                8.8 +/-    3.15      23.0 +/-    3.15  0.050 / 0.040
G03     275.9          69.4                9.3 +/-    1.19       9.9 +/-    1.19  0.050 / 0.040
G09     298.6          15.3                8.8 +/-    2.64      21.6 +/-    2.64  0.040 / 0.060
G14     88.8           24.7               10.6 +/-    2.33      20.9 +/-    2.33  0.040 / 0.070
G16     138.3          50.1               11.5 +/-    0.76      14.5 +/-    0.76  0.160 / 0.780
G22     209.6          66.1                9.4 +/-    0.60      10.2 +/-    0.60  0.110 / 0.420
G23     311.0          40.8                8.9 +/-    1.77      12.8 +/-    1.77  0.130 / 0.220
G26     87.8           54.4                8.7 +/-    0.79      10.4 +/-    0.79  0.120 / 0.190
G31     47.5           28.0                6.9 +/-    2.91      12.6 +/-    2.91  0.030 / 0.030