PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/19-15:43:00
G05     51.5           12.5                6.0 +/-    1.05      15.9 +/-    1.05  0.040 / 0.050
G10     241.8          19.2                9.9 +/-    2.50      22.2 +/-    2.50  0.040 / 0.060
G13     65.0           34.4                9.5 +/-    0.75      15.3 +/-    0.75  0.090 / 0.440
G15     113.7          56.8               10.0 +/-    0.49      11.7 +/-    0.49  0.100 / 0.510
G16     307.2          14.3                5.2 +/-    1.83      13.1 +/-    1.83  0.030 / 0.040
G20     256.5          43.2                8.7 +/-    1.50      12.0 +/-    1.50  0.030 / 0.030
G21     323.8          54.1                8.3 +/-    1.45      10.0 +/-    1.45  0.120 / 0.140
G26     280.5          18.7                6.5 +/-    1.29      14.7 +/-    1.29  0.140 / 0.180
G29     159.5          61.9               11.1 +/-    0.79      12.4 +/-    0.79  0.050 / 0.140