PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/23-07:13:00
G05     51.7           10.0                2.6 +/-    3.05       7.4 +/-    3.05  0.040 / 0.050
G10     241.0          19.0                5.5 +/-    1.05      12.3 +/-    1.05  0.040 / 0.050
G13     65.9           34.4                5.1 +/-    0.97       8.2 +/-    0.97  0.240 / 0.520
G15     109.2          56.1                6.6 +/-    0.88       7.8 +/-    0.88  0.250 / 0.340
G16     312.2          11.8                1.5 +/-    8.50       4.0 +/-    8.50  0.060 / 0.110
G20     255.7          42.8                6.9 +/-    2.00       9.6 +/-    2.00  0.050 / 0.100
G21     324.1          54.2                4.9 +/-    0.69       5.9 +/-    0.69  0.150 / 0.220
G26     284.0          18.2                4.9 +/-    1.17      11.3 +/-    1.17  0.080 / 0.200
G29     155.4          57.5                7.5 +/-    0.47       8.7 +/-    0.47  0.120 / 0.380