PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/10-21:28:10
G02     33.7           55.0                9.2 +/-    0.75      10.9 +/-    0.75  0.040 / 0.050
G05     134.9          63.8               12.8 +/-    0.79      14.1 +/-    0.79  0.050 / 0.040
G06     55.3           13.0                6.8 +/-    1.52      17.6 +/-    1.52  0.040 / 0.040
G12     191.4          63.7               11.0 +/-    0.73      12.2 +/-    0.73  0.050 / 0.040
G19     100.6          10.8                9.0 +/-    2.05      24.7 +/-    2.05  0.050 / 0.050
G25     293.9          54.7                8.3 +/-    0.97      10.0 +/-    0.97  0.050 / 0.050
G29     308.0          28.2                7.3 +/-    1.15      13.3 +/-    1.15  0.040 / 0.050