PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/11-14:13:10
G02     354.3          75.1                5.1 +/-    0.64       5.2 +/-    0.64  0.060 / 0.080
G05     165.3          37.6                7.9 +/-    1.08      11.9 +/-    1.08  0.050 / 0.080
G06     43.7           33.4                3.3 +/-    1.18       5.3 +/-    1.18  0.130 / 0.350
G12     287.9          79.2                4.9 +/-    0.77       5.0 +/-    0.77  0.130 / 0.370
G19     79.2           26.4                6.0 +/-    0.97      11.4 +/-    0.97  0.030 / 0.030
G24     220.4          17.0                4.8 +/-    4.04      11.4 +/-    4.04  0.040 / 0.030
G25     314.7          38.3                3.8 +/-    1.59       5.7 +/-    1.59  0.040 / 0.080
G29     291.0          12.6                8.0 +/-    2.09      21.1 +/-    2.09  0.030 / 0.070