PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/07-23:12:40
G02     20.6           65.1                7.6 +/-    0.58       8.3 +/-    0.58  0.020 / 0.020
G05     152.5          51.5               10.4 +/-    0.56      12.8 +/-    0.56  0.020 / 0.020
G06     48.2           24.1                7.2 +/-    2.17      14.4 +/-    2.17  0.350 / 0.540
G12     225.1          78.5                7.6 +/-    0.83       7.8 +/-    0.83  0.240 / 0.440
G19     89.5           18.6                8.2 +/-    1.61      18.6 +/-    1.61  0.030 / 0.040
G24     215.6          10.7                5.9 +/-   32.50      16.3 +/-   32.50  0.030 / 0.040
G25     310.2          44.0                7.4 +/-    1.09      10.1 +/-    1.09  0.080 / 0.080
G29     298.4          18.6                8.8 +/-    2.86      20.1 +/-    2.86  0.070 / 0.090