PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/25-11:28:10
G08     313.9          17.0                3.6 +/-    1.69       8.5 +/-    1.69  0.030 / 0.040
G10     321.2          58.3                2.9 +/-    0.52       3.4 +/-    0.52  0.030 / 0.040
G14     214.5          25.4                4.6 +/-    1.31       8.9 +/-    1.31  0.130 / 0.230
G15     45.9           15.3                1.3 +/-    2.28       3.2 +/-    2.28  0.110 / 0.220
G20     25.0           62.6                4.6 +/-    1.81       5.1 +/-    1.81  0.030 / 0.030
G21     127.5          58.7                6.0 +/-    0.58       6.8 +/-    0.58  0.030 / 0.030
G24     79.2           29.1                4.8 +/-    1.92       8.5 +/-    1.92  0.080 / 0.090
G27     286.3          36.8                5.6 +/-    0.72       8.6 +/-    0.72  0.080 / 0.050
G32     218.1          42.2                4.4 +/-    1.36       6.2 +/-    1.36  0.180 / 0.310