PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/26-22:28:10
G02     228.4          70.8               13.2 +/-    0.36      13.9 +/-    0.36  0.040 / 0.050
G05     173.3          11.7               13.6 +/-   32.03      36.5 +/-   32.03  0.050 / 0.040
G06     43.2           63.5               11.9 +/-    0.47      13.2 +/-    0.47  0.050 / 0.080
G12     321.3          46.9               11.5 +/-    0.81      15.1 +/-    0.81  0.060 / 0.100
G17     64.7           28.2               11.8 +/-    2.13      21.4 +/-    2.13  0.200 / 0.370
G19     49.4           43.8               12.4 +/-    1.11      16.9 +/-    1.11  0.240 / 0.470
G24     251.6          37.9               15.8 +/-    2.22      23.8 +/-    2.22  0.030 / 0.030