PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/10-08:43:00
G08     309.5          19.3                5.2 +/-    1.05      11.7 +/-    1.05  0.040 / 0.020
G10     333.6          60.3                5.3 +/-    0.66       6.0 +/-    0.66  0.030 / 0.020
G14     217.5          31.3                6.6 +/-    1.72      11.2 +/-    1.72  0.030 / 0.050
G20     37.6           60.3                5.4 +/-    0.64       6.1 +/-    0.64  0.040 / 0.050
G21     134.2          55.1                8.5 +/-    0.58      10.1 +/-    0.58  0.070 / 0.060
G24     72.9           29.4                6.1 +/-    0.94      10.9 +/-    0.94  0.080 / 0.070
G27     277.4          37.2                7.8 +/-    1.10      11.9 +/-    1.10  0.100 / 0.120
G32     222.7          46.4                6.4 +/-    2.15       8.4 +/-    2.15  0.090 / 0.070