PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/29-02:42:40
G08     295.8          22.9                8.6 +/-    1.67      17.5 +/-    1.67  0.060 / 0.110
G10     1.4            62.8                9.0 +/-    0.64      10.0 +/-    0.64  0.070 / 0.140
G14     227.3          41.9               14.3 +/-    1.73      20.2 +/-    1.73  0.050 / 0.100
G20     19.2           65.7                9.8 +/-    0.29      10.6 +/-    0.29  0.050 / 0.100
G21     145.2          44.2               11.3 +/-    1.13      15.4 +/-    1.13  0.060 / 0.120
G24     57.6           25.9                7.7 +/-    0.82      14.7 +/-    0.82  0.060 / 0.110
G27     257.7          33.0               10.4 +/-    1.44      17.1 +/-    1.44  0.040 / 0.040
G32     241.9          67.4               10.4 +/-    0.73      11.2 +/-    0.73  0.030 / 0.030