PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/27-18:12:30
G02     31.9           56.3               10.7 +/-    1.31      12.5 +/-    1.31  0.030 / 0.030
G05     137.2          63.6               12.3 +/-    0.34      13.5 +/-    0.34  0.030 / 0.040
G06     55.5           12.3                9.3 +/-    1.51      24.7 +/-    1.51  0.040 / 0.050
G12     187.6          61.9               12.0 +/-    0.63      13.4 +/-    0.63  0.040 / 0.050
G19     100.3          11.6               10.7 +/-    2.46      28.8 +/-    2.46  0.040 / 0.040
G25     292.7          55.6               11.3 +/-    5.28      13.4 +/-    5.28  0.030 / 0.040
G29     308.0          28.1                8.6 +/-    1.05      15.7 +/-    1.05  0.090 / 0.110