PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/09-18:28:10
G10     264.6          38.2               10.5 +/-    1.54      15.7 +/-    1.54  0.300 / 0.230
G13     42.8           19.1                9.8 +/-    2.41      22.0 +/-    2.41  0.180 / 0.230
G15     61.4           50.0                9.8 +/-    0.64      12.4 +/-    0.64  0.070 / 0.050
G16     280.9          13.5                8.3 +/-    4.64      21.5 +/-    4.64  0.070 / 0.050
G20     295.5          60.1                9.2 +/-    0.58      10.4 +/-    0.58  0.120 / 0.210
G21     356.0          69.5                9.5 +/-    0.73      10.0 +/-    0.73  0.140 / 0.330
G24     124.5          12.4               13.0 +/-    4.83      34.4 +/-    4.83  0.180 / 0.780
G27     320.0          16.5               10.3 +/-    1.90      24.7 +/-    1.90  0.150 / 0.540
G29     167.0          35.1               11.0 +/-    1.16      17.5 +/-    1.16  0.200 / 0.380