PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/28-15:57:40
G05     48.3           19.6                8.8 +/-    2.39      19.5 +/-    2.39  0.180 / 0.180
G10     236.6          15.1               10.3 +/-    1.98      25.6 +/-    1.98  0.100 / 0.120
G13     73.2           35.0               11.3 +/-    1.41      17.9 +/-    1.41  0.120 / 0.450
G15     119.5          53.3               11.2 +/-    0.39      13.6 +/-    0.39  0.150 / 0.340
G16     312.4          13.3                4.0 +/-    3.70      10.5 +/-    3.70  0.050 / 0.080
G20     250.3          39.9               12.3 +/-    1.24      18.0 +/-    1.24  0.040 / 0.070
G21     314.6          47.3               10.6 +/-    0.72      13.8 +/-    0.72  0.030 / 0.040
G25     199.1          10.9               11.4 +/-    1.80      31.3 +/-    1.80  0.030 / 0.030
G26     286.5          20.0                6.6 +/-    1.83      14.6 +/-    1.83  0.250 / 0.630
G29     154.3          72.5               11.7 +/-    0.50      12.2 +/-    0.50  0.250 / 0.500