PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/14-06:57:40
G08     295.6          22.8                4.9 +/-    1.56      10.0 +/-    1.56  0.080 / 0.110
G10     6.6            62.8                4.8 +/-    1.48       5.3 +/-    1.48  0.080 / 0.100
G14     227.9          45.5                9.3 +/-    2.10      12.5 +/-    2.10  0.060 / 0.080
G20     63.2           53.0                5.9 +/-    0.97       7.1 +/-    0.97  0.060 / 0.080
G21     145.7          41.3                7.2 +/-    1.01      10.2 +/-    1.01  0.030 / 0.030
G24     57.2           25.8                5.9 +/-    1.66      11.4 +/-    1.66  0.040 / 0.030
G27     257.7          32.8                7.0 +/-    2.21      11.5 +/-    2.21  0.040 / 0.030
G32     239.8          62.5                7.7 +/-    1.24       8.6 +/-    1.24  0.040 / 0.030