PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/12-11:28:00
G08     288.2          23.6                4.5 +/-    1.13       9.0 +/-    1.13  0.050 / 0.100
G10     18.0           62.8                6.8 +/-    0.79       7.5 +/-    0.79  0.060 / 0.110
G14     233.2          50.8                6.7 +/-    2.74       8.4 +/-    2.74  0.040 / 0.020
G18     317.5          15.8                1.7 +/-    1.84       4.1 +/-    1.84  0.040 / 0.030
G20     70.9           49.9                5.6 +/-    0.79       7.1 +/-    0.79  0.110 / 0.140
G21     147.8          33.1                6.7 +/-    0.98      11.0 +/-    0.98  0.070 / 0.110
G24     51.3           22.2                4.6 +/-    4.09       9.6 +/-    4.09  0.040 / 0.030
G27     252.7          30.0                7.2 +/-    1.83      12.5 +/-    1.83  0.050 / 0.030
G32     249.4          66.6                5.4 +/-    0.63       5.8 +/-    0.63  0.250 / 0.350