PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/09-01:13:00
G10     276.4          44.3               12.3 +/-    0.96      16.7 +/-    0.96  0.090 / 0.110
G13     38.6           11.3                8.3 +/-    1.89      22.5 +/-    1.89  0.100 / 0.140
G15     52.1           41.9                7.9 +/-    0.70      11.1 +/-    0.70  0.090 / 0.060
G20     313.1          62.9               11.2 +/-    0.66      12.4 +/-    0.66  0.090 / 0.050
G21     25.0           75.6               11.5 +/-    0.74      11.8 +/-    0.74  0.060 / 0.040
G24     114.4          18.6               10.5 +/-    2.12      24.0 +/-    2.12  0.060 / 0.040
G27     315.1          24.0                8.5 +/-    1.09      17.0 +/-    1.09  0.440 / 0.620
G29     167.3          22.4               12.0 +/-    2.25      24.9 +/-    2.25  0.120 / 0.330
G32     205.7          14.7               15.0 +/-    5.32      37.5 +/-    5.32  0.060 / 0.060