PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/05-23:27:50
G02     24.3           62.5               10.8 +/-    0.80      12.0 +/-    0.80  0.030 / 0.030
G05     149.4          54.5               13.8 +/-    0.71      16.6 +/-    0.71  0.030 / 0.030
G06     49.6           21.7                8.2 +/-    0.82      17.3 +/-    0.82  0.040 / 0.050
G12     213.4          76.1               11.5 +/-    0.52      11.8 +/-    0.52  0.040 / 0.040
G19     92.2           16.8               11.7 +/-    1.21      27.9 +/-    1.21  0.040 / 0.060
G25     307.7          46.5               11.7 +/-    1.00      15.4 +/-    1.00  0.030 / 0.050
G29     300.6          20.7               12.1 +/-    2.15      26.2 +/-    2.15  0.100 / 0.260