PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/09-05:57:50
G01     37.3           10.2                2.4 +/-    8.12       6.6 +/-    8.12  0.080 / 0.160
G02     198.6          14.8                6.0 +/-    3.53      14.9 +/-    3.53  0.080 / 0.140
G06     172.3          45.0                9.3 +/-    0.58      12.5 +/-    0.58  0.030 / 0.030
G13     231.5          18.9                5.7 +/-    5.14      12.8 +/-    5.14  0.040 / 0.030
G17     13.2           65.7                6.3 +/-    0.52       6.8 +/-    0.52  0.150 / 0.160
G19     300.9          72.5                7.4 +/-    0.32       7.7 +/-    0.32  0.100 / 0.150
G24     314.7          22.3                3.5 +/-    1.61       7.3 +/-    1.61  0.040 / 0.060
G28     69.9           50.9                8.1 +/-    2.10      10.2 +/-    2.10  0.040 / 0.060
G30     157.2          25.8                7.4 +/-    1.41      14.1 +/-    1.41  0.180 / 0.300