PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/29-22:42:50
G02     45.4           44.9                7.7 +/-    0.42      10.4 +/-    0.42  0.050 / 0.040
G05     98.4           69.3               10.7 +/-    0.54      11.3 +/-    0.54  0.040 / 0.050
G12     186.5          49.3               12.3 +/-    1.73      15.6 +/-    1.73  0.030 / 0.060
G25     269.0          58.4               10.1 +/-    1.18      11.7 +/-    1.18  0.040 / 0.050
G29     316.7          38.4                9.6 +/-    0.96      14.3 +/-    0.96  0.040 / 0.050