PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/10-21:12:40
G01     226.9          20.2               13.5 +/-    2.12      29.5 +/-    2.12  0.030 / 0.030
G03     300.1          63.4                9.4 +/-    0.51      10.4 +/-    0.51  0.030 / 0.030
G14     79.4           30.9               10.0 +/-    1.03      17.1 +/-    1.03  0.080 / 0.150
G16     148.0          40.4               14.4 +/-    0.73      20.8 +/-    0.73  0.070 / 0.110
G22     235.5          73.5               10.8 +/-    0.95      11.2 +/-    0.95  0.090 / 0.110
G23     303.4          33.6                9.5 +/-    1.63      15.4 +/-    1.63  0.090 / 0.120
G26     106.9          52.8               11.9 +/-    0.46      14.5 +/-    0.46  0.040 / 0.030
G31     43.8           36.9                8.8 +/-    1.01      13.5 +/-    1.01  0.040 / 0.030