PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/30-00:28:10
G02     38.4           50.8               11.4 +/-    0.48      14.2 +/-    0.48  0.040 / 0.040
G05     124.3          66.4               14.0 +/-    0.43      15.2 +/-    0.43  0.030 / 0.040
G06     57.2           11.0                9.9 +/-    1.19      27.2 +/-    1.19  0.030 / 0.040
G12     192.1          60.9               15.9 +/-    1.10      18.0 +/-    1.10  0.030 / 0.040
G25     288.5          56.0               12.0 +/-    0.86      14.2 +/-    0.86  0.040 / 0.050
G29     310.7          31.2               12.3 +/-    0.98      21.1 +/-    0.98  0.040 / 0.050