PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/13-00:57:40
G08     293.6          21.5                8.9 +/-    1.08      18.9 +/-    1.08  0.060 / 0.090
G10     19.9           62.5               10.4 +/-    0.38      11.6 +/-    0.38  0.070 / 0.110
G14     232.7          48.7               11.8 +/-    1.95      15.2 +/-    1.95  0.050 / 0.090
G18     317.9          13.8                6.4 +/-    1.76      16.3 +/-    1.76  0.050 / 0.090
G20     71.1           49.9                9.8 +/-    0.75      12.4 +/-    0.75  0.120 / 0.190
G21     148.9          37.3               11.4 +/-    0.99      17.3 +/-    0.99  0.120 / 0.220
G24     53.3           24.1                8.9 +/-    2.50      17.7 +/-    2.50  0.140 / 0.390
G27     250.6          30.0               11.4 +/-    1.06      19.9 +/-    1.06  0.210 / 0.340
G31     182.1          10.9               -3.4 +/-   21.96      -9.3 +/-   21.96  0.030 / 0.030
G32     253.7          70.5               10.0 +/-    0.40      10.6 +/-    0.40  0.030 / 0.030