PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/09-21:43:00
G02     3.7            73.3                8.7 +/-    0.41       9.1 +/-    0.41  0.070 / 0.100
G05     160.0          40.9               11.5 +/-    1.15      16.5 +/-    1.15  0.070 / 0.120
G06     43.0           34.8                8.1 +/-    0.97      12.9 +/-    0.97  0.030 / 0.030
G12     299.0          75.1               10.3 +/-    0.50      10.6 +/-    0.50  0.040 / 0.030
G19     81.3           22.1                9.3 +/-    1.14      19.5 +/-    1.14  0.190 / 0.450
G24     223.1          17.8               11.1 +/-    2.85      25.8 +/-    2.85  0.160 / 0.330
G25     315.4          34.7                8.4 +/-    1.29      13.4 +/-    1.29  0.030 / 0.040
G29     291.6          14.6               10.3 +/-    1.58      25.8 +/-    1.58  0.030 / 0.030