PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/09-15:42:50
G10     247.9          26.4                9.5 +/-    1.11      17.9 +/-    1.11  0.180 / 0.580
G13     55.8           30.2                8.9 +/-    1.03      15.5 +/-    1.03  0.170 / 0.460
G15     88.6           56.8               10.2 +/-    0.72      11.9 +/-    0.72  0.030 / 0.040
G16     298.0          16.0                8.6 +/-    1.98      20.9 +/-    1.98  0.030 / 0.040
G20     268.1          51.0                1.4 +/-    3.64       1.7 +/-    3.64  0.040 / 0.040
G21     330.9          57.8               -3.9 +/-    0.91      -4.5 +/-    0.91  0.050 / 0.060
G26     271.3          16.6                8.9 +/-    1.92      21.4 +/-    1.92  0.100 / 0.150
G29     162.8          54.9               11.6 +/-    0.73      13.8 +/-    0.73  0.110 / 0.120