PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/25-13:57:20
G02     26.6           60.1                5.1 +/-    1.10       5.8 +/-    1.10  0.030 / 0.030
G05     152.4          56.8                7.0 +/-    0.50       8.2 +/-    0.50  0.030 / 0.040
G06     51.7           18.5                3.5 +/-    2.69       7.9 +/-    2.69  0.040 / 0.060
G12     201.1          71.3                4.1 +/-    0.64       4.3 +/-    0.64  0.080 / 0.050
G19     95.6           14.9                6.6 +/-    1.67      16.4 +/-    1.67  0.030 / 0.040
G25     298.6          54.3                3.8 +/-    3.09       4.6 +/-    3.09  0.030 / 0.020
G29     304.6          25.1                4.3 +/-    1.19       8.4 +/-    1.19  0.180 / 0.150