PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/03-01:27:30
G02     41.2           47.9                8.7 +/-    0.33      11.3 +/-    0.33  0.050 / 0.060
G05     115.7          67.8               10.5 +/-    0.73      11.2 +/-    0.73  0.060 / 0.070
G06     57.6           11.5                8.0 +/-    1.58      21.5 +/-    1.58  0.040 / 0.050
G12     195.0          60.6               11.7 +/-    0.95      13.2 +/-    0.95  0.040 / 0.050
G25     281.1          57.9               10.3 +/-    0.61      11.9 +/-    0.61  0.030 / 0.040
G29     315.3          37.9                9.6 +/-    1.03      14.5 +/-    1.03  0.030 / 0.040