PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/28-00:42:30
G10     243.4          21.8               13.7 +/-    3.18      29.0 +/-    3.18  0.070 / 0.060
G13     61.9           33.0                9.1 +/-    0.63      15.0 +/-    0.63  0.050 / 0.060
G15     103.1          57.1               11.8 +/-    1.08      13.8 +/-    1.08  0.100 / 0.180
G16     305.6          14.5                6.7 +/-    3.18      16.8 +/-    3.18  0.090 / 0.190
G20     259.1          44.7               10.5 +/-    0.84      14.2 +/-    0.84  0.100 / 0.570
G21     324.0          53.8               10.2 +/-    0.93      12.3 +/-    0.93  0.110 / 0.600
G26     277.5          18.2               10.1 +/-    1.43      23.1 +/-    1.43  0.060 / 0.130
G29     159.3          58.7               12.8 +/-    1.07      14.8 +/-    1.07  0.050 / 0.140