PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/29-19:28:00
G10     273.7          43.2               12.5 +/-    1.31      17.2 +/-    1.31  0.040 / 0.040
G13     39.3           12.9               10.0 +/-    2.63      26.2 +/-    2.63  0.040 / 0.040
G15     53.9           44.2               13.0 +/-    1.07      17.7 +/-    1.07  0.160 / 0.450
G16     273.4          10.7                9.9 +/-    2.12      27.1 +/-    2.12  0.130 / 0.510
G20     311.6          63.1               12.5 +/-    0.67      13.8 +/-    0.67  0.170 / 0.430
G21     16.2           74.4               14.4 +/-    0.49      14.9 +/-    0.49  0.110 / 0.250
G24     117.7          17.2               13.5 +/-    1.19      31.8 +/-    1.19  0.050 / 0.050
G27     316.2          22.8               10.3 +/-    1.27      21.2 +/-    1.27  0.040 / 0.050
G29     167.9          26.4               13.6 +/-    1.91      25.7 +/-    1.91  0.180 / 0.170
G32     204.6          14.5               16.9 +/-    2.38      42.4 +/-    2.38  0.080 / 0.150