PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/02-19:28:00
G02     69.8           26.0                7.5 +/-    1.10      14.3 +/-    1.10  0.040 / 0.030
G05     46.6           48.5                9.8 +/-    0.65      12.6 +/-    0.65  0.040 / 0.040
G12     178.5          14.3               11.6 +/-    1.09      29.3 +/-    1.09  0.100 / 0.090
G13     115.4          24.7               11.9 +/-    2.14      23.4 +/-    2.14  0.080 / 0.110
G15     159.3          22.2               11.3 +/-    2.99      23.6 +/-    2.99  0.160 / 0.210
G21     282.7          25.0               10.1 +/-    2.41      19.6 +/-    2.41  0.120 / 0.210
G25     218.7          39.7               11.4 +/-    1.37      16.6 +/-    1.37  0.030 / 0.050
G26     317.1          12.6               10.1 +/-    2.08      26.6 +/-    2.08  0.040 / 0.050
G29     336.7          67.6               10.2 +/-    0.77      10.9 +/-    0.77  0.090 / 0.200