PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/09-14:12:30
G02     57.5           34.8                4.8 +/-    0.88       7.7 +/-    0.88  0.050 / 0.050
G05     63.9           65.6                6.7 +/-    0.52       7.2 +/-    0.52  0.040 / 0.050
G12     184.4          33.9                8.6 +/-    1.90      13.9 +/-    1.90  0.030 / 0.030
G13     128.9          14.1                9.7 +/-    2.12      24.6 +/-    2.12  0.030 / 0.040
G21     270.8          17.7                4.9 +/-    1.54      11.5 +/-    1.54  0.050 / 0.090
G25     231.4          52.2                5.5 +/-    0.96       6.8 +/-    0.96  0.070 / 0.070
G29     327.9          53.4                3.0 +/-    1.24       3.6 +/-    1.24  0.110 / 0.250