PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/10-00:12:40
G02     21.3           64.3                9.9 +/-    1.04      10.8 +/-    1.04  0.030 / 0.020
G05     152.2          51.5               14.4 +/-    0.70      17.8 +/-    0.70  0.030 / 0.020
G06     46.8           27.1                9.9 +/-    2.10      18.4 +/-    2.10  0.340 / 0.670
G12     248.6          78.7               10.6 +/-    0.53      10.8 +/-    0.53  0.200 / 0.440
G19     90.1           16.3               13.4 +/-    2.72      32.4 +/-    2.72  0.080 / 0.070
G24     215.5          10.6               10.5 +/-   36.84      28.8 +/-   36.84  0.050 / 0.070
G25     309.7          44.6               10.5 +/-    1.02      14.3 +/-    1.02  0.030 / 0.050
G29     300.0          22.5               10.8 +/-    1.28      22.4 +/-    1.28  0.030 / 0.040