PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/02-13:57:50
G02     63.8           28.5                3.3 +/-    0.63       6.0 +/-    0.63  0.030 / 0.030
G05     54.6           61.3                5.0 +/-    0.66       5.6 +/-    0.66  0.020 / 0.050
G12     181.1          25.7                5.6 +/-    1.67      10.8 +/-    1.67  0.080 / 0.260
G13     122.6          18.1                7.0 +/-    1.47      16.0 +/-    1.47  0.120 / 0.270
G15     159.5          17.4                6.9 +/-    0.96      16.1 +/-    0.96  0.050 / 0.070
G21     275.7          20.0                3.2 +/-    0.82       7.0 +/-    0.82  0.050 / 0.060
G25     230.6          48.6                6.6 +/-    1.43       8.5 +/-    1.43  0.030 / 0.050
G29     331.2          58.2                2.4 +/-    0.76       2.7 +/-    0.76  0.020 / 0.040