PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/08-23:13:10
G02     23.3           63.2                9.6 +/-    0.45      10.6 +/-    0.45  0.030 / 0.040
G05     150.3          53.8               12.9 +/-    0.80      15.6 +/-    0.80  0.030 / 0.040
G06     49.2           22.3                8.4 +/-    2.10      17.5 +/-    2.10  0.040 / 0.050
G12     215.4          76.7               10.6 +/-    0.41      10.9 +/-    0.41  0.050 / 0.040
G19     91.5           17.3               10.4 +/-    2.22      24.4 +/-    2.22  0.100 / 0.060
G25     308.4          46.0                9.7 +/-    1.07      12.9 +/-    1.07  0.070 / 0.070
G29     300.0          20.2                9.3 +/-    0.95      20.3 +/-    0.95  0.150 / 0.160