PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/13-01:42:50
G08     272.8          18.3               10.0 +/-    2.06      23.0 +/-    2.06  0.040 / 0.060
G10     61.5           57.4                9.7 +/-    0.71      11.3 +/-    0.71  0.050 / 0.060
G14     262.2          64.7               10.3 +/-    0.73      11.3 +/-    0.73  0.140 / 0.190
G18     313.0          31.7                8.1 +/-    1.40      13.7 +/-    1.40  0.140 / 0.240
G20     94.8           37.1               10.1 +/-    0.75      15.5 +/-    0.75  0.120 / 0.180
G21     155.2          17.2               11.7 +/-    1.45      27.5 +/-    1.45  0.110 / 0.170
G24     40.6           11.1                7.0 +/-    2.44      19.1 +/-    2.44  0.080 / 0.140
G27     232.8          17.0               12.2 +/-    1.60      28.8 +/-    1.60  0.080 / 0.090
G31     177.2          30.5               12.7 +/-    1.34      22.0 +/-    1.34  0.030 / 0.020
G32     333.3          74.9                9.3 +/-    0.60       9.6 +/-    0.60  0.020 / 0.030