PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/29-00:12:30
G02     30.4           57.8                9.8 +/-    0.57      11.3 +/-    0.57  0.030 / 0.030
G05     142.1          59.7               13.7 +/-    0.78      15.6 +/-    0.78  0.020 / 0.030
G06     52.3           17.6                9.3 +/-    2.28      21.8 +/-    2.28  0.040 / 0.040
G12     201.6          70.9               12.1 +/-    0.22      12.7 +/-    0.22  0.030 / 0.040
G19     96.8           13.3               10.2 +/-    1.78      26.5 +/-    1.78  0.180 / 0.120
G25     302.0          50.7               10.8 +/-    2.16      13.5 +/-    2.16  0.200 / 0.160
G29     304.5          24.6               11.3 +/-    1.26      22.3 +/-    1.26  0.060 / 0.070