PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/13-19:12:50
G05     50.5           13.7                7.8 +/-    1.23      19.9 +/-    1.23  0.060 / 0.060
G10     239.9          18.5               11.0 +/-    1.97      25.0 +/-    1.97  0.050 / 0.070
G13     67.3           34.3               10.1 +/-    0.66      16.2 +/-    0.66  0.050 / 0.130
G15     115.2          55.7               11.2 +/-    0.67      13.3 +/-    0.67  0.050 / 0.140
G16     308.5          14.5                7.1 +/-    2.06      17.9 +/-    2.06  0.130 / 0.400
G20     254.6          42.3               12.4 +/-    1.28      17.3 +/-    1.28  0.120 / 0.580
G21     318.7          50.1               11.9 +/-    1.09      15.0 +/-    1.09  0.040 / 0.040
G26     281.5          19.4                8.5 +/-    2.06      19.1 +/-    2.06  0.040 / 0.050
G29     157.7          66.3               12.9 +/-    0.69      13.9 +/-    0.69  0.070 / 0.180