PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/29-22:12:30
G02     225.7          69.1               12.0 +/-    0.67      12.8 +/-    0.67  0.040 / 0.070
G05     174.0          10.3               -6.2 +/-   22.04     -17.1 +/-   22.04  0.030 / 0.060
G06     44.4           65.2               10.4 +/-    0.41      11.4 +/-    0.41  0.050 / 0.090
G12     321.1          45.4               11.2 +/-    0.74      15.0 +/-    0.74  0.050 / 0.110
G17     63.3           29.1               10.1 +/-    1.46      18.1 +/-    1.46  0.120 / 0.270
G19     47.5           45.0               11.2 +/-    0.74      15.2 +/-    0.74  0.020 / 0.030
G24     253.5          38.7               15.4 +/-    1.73      22.8 +/-    1.73  0.030 / 0.030