PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/11-11:27:40
G08     290.1          23.7                5.5 +/-    0.97      11.0 +/-    0.97  0.060 / 0.090
G10     13.9           62.8                4.7 +/-    1.16       5.2 +/-    1.16  0.050 / 0.110
G14     231.4          49.2                7.8 +/-    2.72      10.0 +/-    2.72  0.030 / 0.030
G18     317.6          14.1                4.6 +/-    3.09      11.6 +/-    3.09  0.040 / 0.030
G20     68.4           50.9                5.0 +/-    0.94       6.3 +/-    0.94  0.030 / 0.020
G21     146.9          34.9                5.5 +/-    0.92       8.7 +/-    0.92  0.040 / 0.020
G24     52.8           23.2                4.4 +/-    2.69       9.0 +/-    2.69  0.100 / 0.090
G27     254.7          30.9                6.2 +/-    2.67      10.6 +/-    2.67  0.080 / 0.110
G32     245.9          65.2                7.0 +/-    0.48       7.6 +/-    0.48  0.150 / 0.160