PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/28-15:58:10
G05     48.5           19.3                7.2 +/-    0.65      16.1 +/-    0.65  0.060 / 0.180
G10     236.9          15.4               10.7 +/-    4.42      26.5 +/-    4.42  0.070 / 0.150
G13     72.6           35.0               10.9 +/-    0.65      17.2 +/-    0.65  0.110 / 0.300
G15     118.7          53.6               10.9 +/-    0.55      13.2 +/-    0.55  0.130 / 0.370
G16     312.1          13.4                6.0 +/-    1.93      15.6 +/-    1.93  0.280 / 0.390
G20     250.7          40.3               12.8 +/-    0.79      18.6 +/-    0.79  0.350 / 0.490
G21     315.0          47.6                9.2 +/-    0.90      11.9 +/-    0.90  0.050 / 0.070
G25     198.9          10.5                7.4 +/-   29.72      20.3 +/-   29.72  0.050 / 0.070
G26     286.1          20.0                8.8 +/-    1.75      19.5 +/-    1.75  0.030 / 0.040
G29     154.7          71.9               13.1 +/-    1.73      13.7 +/-    1.73  0.030 / 0.030