PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/27-04:58:10
G08     268.8          17.9                7.4 +/-    2.02      17.1 +/-    2.02  0.220 / 0.240
G10     64.1           56.8                5.6 +/-    0.90       6.5 +/-    0.90  0.160 / 0.190
G14     267.4          66.7                7.2 +/-    0.83       7.7 +/-    0.83  0.030 / 0.030
G18     311.9          33.4                3.9 +/-    1.43       6.3 +/-    1.43  0.040 / 0.030
G20     96.2           36.3                5.6 +/-    0.99       8.7 +/-    0.99  0.160 / 0.450
G21     155.3          15.1                6.5 +/-    3.14      16.1 +/-    3.14  0.160 / 0.400
G24     39.6           9.4                 4.2 +/-    1.02      11.9 +/-    1.02  0.070 / 0.050
G27     232.0          15.9                8.5 +/-    2.04      20.6 +/-    2.04  0.070 / 0.060
G31     177.2          31.9                9.4 +/-    1.23      15.8 +/-    1.23  0.190 / 0.210
G32     333.0          74.4                6.9 +/-    0.46       7.2 +/-    0.46  0.130 / 0.220