PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/15-01:27:50
G01     220.8          13.4               10.6 +/-    4.01      27.3 +/-    4.01  0.040 / 0.040
G03     277.2          69.2                6.7 +/-    0.70       7.1 +/-    0.70  0.040 / 0.040
G09     297.3          12.3                6.4 +/-    4.88      17.0 +/-    4.88  0.110 / 0.220
G14     88.8           24.3                5.7 +/-    2.25      11.4 +/-    2.25  0.150 / 0.200
G16     138.9          49.7                7.7 +/-    0.76       9.7 +/-    0.76  0.400 / 0.430
G22     212.1          66.9                7.3 +/-    0.69       7.9 +/-    0.69  0.420 / 0.360
G23     311.4          41.6                6.3 +/-    1.18       8.9 +/-    1.18  0.030 / 0.030
G26     87.6           54.1                6.2 +/-    0.99       7.5 +/-    0.99  0.030 / 0.040
G31     47.7           27.0                2.9 +/-    1.53       5.4 +/-    1.53  0.170 / 0.570