PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/04-00:27:40
G02     45.6           44.5                8.8 +/-    0.63      11.9 +/-    0.63  0.070 / 0.060
G05     98.7           69.0               10.0 +/-    0.82      10.7 +/-    0.82  0.050 / 0.070
G12     187.9          50.9               12.9 +/-    1.19      16.1 +/-    1.19  0.030 / 0.040
G25     271.1          58.2               12.5 +/-    0.73      14.4 +/-    0.73  0.040 / 0.040
G29     316.4          38.0               10.8 +/-    1.06      16.2 +/-    1.06  0.040 / 0.070