PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/21-21:43:00
G01     246.2          35.2               13.3 +/-    2.16      21.0 +/-    2.16  0.030 / 0.040
G03     316.2          43.6                9.5 +/-    1.16      13.1 +/-    1.16  0.040 / 0.030
G14     57.0           44.2               10.7 +/-    1.09      14.6 +/-    1.09  0.060 / 0.080
G16     160.5          20.0               -4.7 +/-   19.33     -10.4 +/-   19.33  0.050 / 0.070
G22     303.5          65.7                9.8 +/-    1.51      10.7 +/-    1.51  0.060 / 0.070
G23     287.6          20.2               13.8 +/-    3.13      30.3 +/-    3.13  0.050 / 0.060
G26     135.1          39.1               13.0 +/-    1.09      19.2 +/-    1.09  0.180 / 0.480
G31     41.6           56.9                9.6 +/-    1.36      11.2 +/-    1.36  0.190 / 0.360
G32     78.7           20.7                9.7 +/-    3.03      20.9 +/-    3.03  0.190 / 0.220