PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/27-01:43:10
G10     242.9          19.7               11.7 +/-    1.90      26.0 +/-    1.90  0.040 / 0.060
G13     63.6           34.3                9.1 +/-    1.18      14.6 +/-    1.18  0.040 / 0.060
G15     109.3          57.2               11.4 +/-    0.45      13.3 +/-    0.45  0.130 / 0.610
G16     304.1          15.4                4.3 +/-    4.72      10.5 +/-    4.72  0.150 / 0.830
G20     256.3          41.1                8.9 +/-    1.95      12.7 +/-    1.95  0.050 / 0.130
G21     322.0          52.9               11.5 +/-    0.92      14.1 +/-    0.92  0.060 / 0.130
G26     275.8          19.0                8.0 +/-    1.42      17.9 +/-    1.42  0.120 / 0.190
G29     162.0          62.1               10.1 +/-    1.14      11.2 +/-    1.14  0.110 / 0.190