PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/07-21:42:40
G10     301.4          53.8               10.0 +/-    1.55      12.1 +/-    1.55  0.040 / 0.060
G14     210.6          11.0               -3.5 +/-   27.42      -9.5 +/-   27.42  0.040 / 0.040
G15     46.0           27.7                7.6 +/-    1.47      13.9 +/-    1.47  0.060 / 0.090
G20     358.1          65.1               10.7 +/-    1.01      11.7 +/-    1.01  0.060 / 0.100
G21     98.8           73.9               11.0 +/-    0.45      11.4 +/-    0.45  0.300 / 0.580
G24     97.6           27.2               12.4 +/-    0.91      23.1 +/-    0.91  0.180 / 0.480
G27     299.4          34.9               10.4 +/-    0.63      16.5 +/-    0.63  0.060 / 0.110
G32     210.7          33.5               12.6 +/-    1.50      20.5 +/-    1.50  0.080 / 0.130