PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/06-17:28:00
G05     48.5           18.6                7.0 +/-    0.52      15.9 +/-    0.52  0.060 / 0.140
G10     236.6          15.0               13.1 +/-    3.03      32.6 +/-    3.03  0.080 / 0.130
G13     73.3           35.1               10.4 +/-    0.94      16.4 +/-    0.94  0.050 / 0.070
G15     121.4          53.2               11.2 +/-    0.43      13.6 +/-    0.43  0.040 / 0.090
G16     312.6          13.2                6.6 +/-    1.97      17.0 +/-    1.97  0.300 / 0.420
G20     250.0          39.3               12.6 +/-    2.19      18.5 +/-    2.19  0.310 / 0.480
G21     314.2          47.0                8.1 +/-    0.81      10.6 +/-    0.81  0.050 / 0.130
G25     199.3          11.0               10.7 +/-    4.50      29.3 +/-    4.50  0.050 / 0.150
G26     286.4          20.1                9.3 +/-    1.78      20.5 +/-    1.78  0.120 / 0.360
G29     154.2          72.3               13.6 +/-    1.22      14.2 +/-    1.22  0.120 / 0.380