PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/04-22:43:00
G10     257.1          33.2               11.3 +/-    1.29      18.5 +/-    1.29  0.120 / 0.120
G13     47.3           24.4                7.5 +/-    1.28      14.8 +/-    1.28  0.110 / 0.450
G15     72.7           55.1                9.3 +/-    0.34      11.1 +/-    0.34  0.100 / 0.420
G16     289.0          14.9                7.3 +/-    1.44      18.2 +/-    1.44  0.040 / 0.050
G20     280.4          55.0               11.2 +/-    1.06      13.3 +/-    1.06  0.040 / 0.060
G21     342.8          64.5                7.7 +/-    1.19       8.5 +/-    1.19  0.060 / 0.230
G26     261.8          12.5               11.2 +/-    2.21      29.4 +/-    2.21  0.060 / 0.210
G27     322.2          10.2              -15.5 +/-   17.32     -43.0 +/-   17.32  0.070 / 0.130
G29     165.2          41.9               11.4 +/-    1.43      16.1 +/-    1.43  0.080 / 0.160