PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/30-03:28:10
G08     304.7          20.4                6.0 +/-    1.78      13.1 +/-    1.78  0.080 / 0.070
G10     350.7          62.1                7.3 +/-    0.41       8.2 +/-    0.41  0.140 / 0.080
G14     222.2          37.7               10.9 +/-    1.14      16.4 +/-    1.14  0.030 / 0.020
G20     51.0           57.1                7.5 +/-    0.75       8.7 +/-    0.75  0.030 / 0.030
G21     141.1          50.0                8.8 +/-    0.60      11.1 +/-    0.60  0.040 / 0.060
G24     65.5           28.9                4.5 +/-    1.46       8.0 +/-    1.46  0.050 / 0.070
G27     266.0          35.8               10.1 +/-    1.30      15.8 +/-    1.30  0.110 / 0.140
G32     230.3          57.7               10.3 +/-    2.08      11.9 +/-    2.08  0.070 / 0.120