PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/08-23:28:10
G10     290.0          50.0               10.2 +/-    1.02      12.9 +/-    1.02  0.060 / 0.110
G15     47.5           33.5                6.8 +/-    0.36      11.0 +/-    0.36  0.050 / 0.110
G20     337.7          65.1                7.8 +/-    0.50       8.5 +/-    0.50  0.040 / 0.050
G21     69.0           77.1                9.7 +/-    0.35       9.9 +/-    0.35  0.040 / 0.040
G24     105.1          24.0                9.1 +/-    1.62      18.3 +/-    1.62  0.060 / 0.050
G27     307.2          31.0                9.0 +/-    2.10      15.5 +/-    2.10  0.060 / 0.060
G29     167.8          13.1               12.5 +/-    1.37      32.5 +/-    1.37  0.090 / 0.220
G32     208.0          25.4               12.3 +/-    1.30      23.9 +/-    1.30  0.080 / 0.190