PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/28-00:28:10
G02     35.3           53.6               10.9 +/-    1.45      13.1 +/-    1.45  0.030 / 0.040
G05     132.6          64.0               14.1 +/-    0.58      15.5 +/-    0.58  0.040 / 0.030
G06     55.1           13.6                9.3 +/-    2.18      23.9 +/-    2.18  0.040 / 0.030
G12     195.1          65.1               13.7 +/-    0.43      14.9 +/-    0.43  0.030 / 0.040
G19     101.0          10.0               12.9 +/-    1.72      35.9 +/-    1.72  0.070 / 0.040
G25     294.7          54.1               11.4 +/-    2.84      13.7 +/-    2.84  0.040 / 0.040
G29     308.2          28.5               10.0 +/-    1.05      18.0 +/-    1.05  0.190 / 0.200