PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/02-18:27:40
G02     18.8           65.1                6.2 +/-    0.67       6.8 +/-    0.67  0.060 / 0.070
G05     153.3          51.9               10.3 +/-    0.92      12.7 +/-    0.92  0.060 / 0.080
G06     48.1           23.5                7.0 +/-    0.66      14.2 +/-    0.66  0.040 / 0.060
G12     231.8          78.5                6.4 +/-    0.72       6.5 +/-    0.72  0.040 / 0.050
G19     91.5           14.5                7.9 +/-    1.06      19.8 +/-    1.06  0.020 / 0.030
G24     215.9          10.2               10.5 +/-    2.10      29.2 +/-    2.10  0.030 / 0.040
G25     309.3          44.5                7.3 +/-    1.50       9.9 +/-    1.50  0.260 / 0.410
G29     299.5          20.7                9.0 +/-    1.96      19.5 +/-    1.96  0.220 / 0.490