PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/31-09:12:40
G08     313.3          17.3                5.8 +/-    2.02      13.7 +/-    2.02  0.030 / 0.040
G10     324.1          58.8                5.9 +/-    0.54       6.8 +/-    0.54  0.040 / 0.040
G14     215.1          26.7                6.8 +/-    2.26      12.8 +/-    2.26  0.030 / 0.030
G15     46.1           13.7                2.1 +/-    2.28       5.5 +/-    2.28  0.030 / 0.030
G20     28.0           62.1                6.4 +/-    1.87       7.2 +/-    1.87  0.050 / 0.040
G21     128.9          59.2                8.8 +/-    0.86      10.1 +/-    0.86  0.050 / 0.060
G24     78.4           29.5                6.3 +/-    1.62      11.2 +/-    1.62  0.120 / 0.220
G27     284.0          37.2                5.9 +/-    1.11       9.0 +/-    1.11  0.210 / 0.220
G32     219.2          42.1                7.3 +/-    1.41      10.3 +/-    1.41  0.050 / 0.060