PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/24-00:42:30
G02     34.5           54.3               10.6 +/-    0.50      12.7 +/-    0.50  0.040 / 0.040
G05     134.6          63.2               12.7 +/-    0.42      14.1 +/-    0.42  0.040 / 0.040
G06     54.5           14.5                7.4 +/-    1.26      18.8 +/-    1.26  0.030 / 0.050
G12     196.4          66.4               10.2 +/-    1.64      11.0 +/-    1.64  0.030 / 0.040
G19     100.2          10.6               11.4 +/-    1.91      31.5 +/-    1.91  0.040 / 0.050
G25     296.4          53.5               10.4 +/-    0.73      12.6 +/-    0.73  0.040 / 0.050
G29     307.5          27.7                7.6 +/-    1.41      14.0 +/-    1.41  0.040 / 0.060