PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/31-22:27:30
G10     274.2          42.3               11.5 +/-    0.90      16.1 +/-    0.90  0.090 / 0.170
G13     39.3           13.1                8.2 +/-    1.47      21.3 +/-    1.47  0.090 / 0.170
G15     55.6           47.6               10.5 +/-    0.39      13.7 +/-    0.39  0.050 / 0.040
G20     271.0          28.5                5.4 +/-    1.02       9.8 +/-    1.02  0.040 / 0.050
G21     16.8           75.0               10.1 +/-    0.98      10.4 +/-    0.98  0.120 / 0.280
G24     113.1          18.0               13.2 +/-    1.28      30.6 +/-    1.28  0.110 / 0.300
G27     315.6          23.3                8.4 +/-    1.42      17.0 +/-    1.42  0.110 / 0.280
G29     168.9          25.8               13.7 +/-    1.06      26.2 +/-    1.06  0.130 / 0.310
G32     204.8          16.6               21.0 +/-    2.03      50.3 +/-    2.03  0.040 / 0.050