PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/24-07:13:00
G08     320.4          11.4               -1.7 +/-   27.31      -4.5 +/-   27.31  0.030 / 0.030
G10     307.2          55.2                3.6 +/-    1.14       4.2 +/-    1.14  0.030 / 0.030
G14     211.3          17.4                5.5 +/-    1.84      12.9 +/-    1.84  0.050 / 0.040
G15     45.5           21.9                2.9 +/-    2.28       6.0 +/-    2.28  0.040 / 0.030
G20     6.3            64.6                2.9 +/-    0.84       3.2 +/-    0.84  0.080 / 0.060
G21     112.9          68.7                4.8 +/-    0.70       5.1 +/-    0.70  0.070 / 0.080
G24     90.4           28.2                4.1 +/-    1.25       7.5 +/-    1.25  0.120 / 0.240
G27     295.9          35.5                5.2 +/-    2.94       8.2 +/-    2.94  0.100 / 0.480
G32     213.6          32.8                8.1 +/-    1.67      13.3 +/-    1.67  0.100 / 0.130