PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/06-22:28:00
G10     254.2          31.1              -21.2 +/-   24.52     -36.4 +/-   24.52  0.050 / 0.050
G13     49.5           26.4                8.8 +/-    2.02      16.6 +/-    2.02  0.040 / 0.050
G15     78.3           56.4                8.5 +/-    0.74      10.0 +/-    0.74  0.100 / 0.170
G16     291.9          15.3                8.0 +/-    1.39      19.6 +/-    1.39  0.130 / 0.200
G20     275.9          53.3               11.0 +/-    3.28      13.3 +/-    3.28  0.030 / 0.040
G21     338.5          62.3                9.6 +/-    0.37      10.7 +/-    0.37  0.030 / 0.040
G26     264.6          13.8               10.0 +/-    1.62      25.5 +/-    1.62  0.120 / 0.510
G29     164.5          45.3               12.4 +/-    1.33      16.7 +/-    1.33  0.100 / 0.540