PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/09-17:58:10
G02     18.0           65.5                8.6 +/-    0.53       9.4 +/-    0.53  0.050 / 0.080
G05     153.8          51.6               11.9 +/-    1.23      14.8 +/-    1.23  0.060 / 0.080
G06     48.1           23.5                8.6 +/-    0.58      17.4 +/-    0.58  0.030 / 0.030
G12     231.3          78.5                9.1 +/-    0.75       9.3 +/-    0.75  0.030 / 0.040
G19     91.4           14.6                9.1 +/-    1.51      22.8 +/-    1.51  0.190 / 0.310
G24     216.1          10.3               11.8 +/-    1.54      32.7 +/-    1.54  0.220 / 0.300
G25     309.4          44.3                8.9 +/-    0.85      12.1 +/-    0.85  0.030 / 0.040
G29     299.3          20.5               11.1 +/-    1.52      24.1 +/-    1.52  0.030 / 0.060