PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/22-12:28:00
G02     61.4           30.0                3.8 +/-    0.80       6.7 +/-    0.80  0.090 / 0.290
G05     58.3           62.9                4.6 +/-    0.52       5.1 +/-    0.52  0.100 / 0.260
G12     181.5          29.3                5.4 +/-    2.17       9.6 +/-    2.17  0.040 / 0.100
G13     125.5          15.7                8.2 +/-    2.22      20.1 +/-    2.22  0.040 / 0.100
G15     160.8          14.9                5.5 +/-    3.14      13.6 +/-    3.14  0.030 / 0.030
G21     272.9          18.2                5.5 +/-    3.81      12.7 +/-    3.81  0.030 / 0.040
G25     234.9          51.2                5.0 +/-    1.94       6.2 +/-    1.94  0.040 / 0.050
G29     328.8          54.7                3.2 +/-    1.16       3.8 +/-    1.16  0.040 / 0.050