PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/02-23:27:30
G10     248.2          24.8               10.0 +/-    2.06      19.7 +/-    2.06  0.150 / 0.590
G13     56.2           31.3                8.5 +/-    0.77      14.4 +/-    0.77  0.160 / 0.650
G15     97.6           59.0                8.4 +/-    0.43       9.6 +/-    0.43  0.090 / 0.140
G16     297.0          16.1                7.9 +/-    2.51      19.2 +/-    2.51  0.080 / 0.140
G20     254.7          26.1                9.7 +/-    1.80      18.4 +/-    1.80  0.030 / 0.060
G21     329.1          57.5                7.4 +/-    0.74       8.6 +/-    0.74  0.040 / 0.050
G26     268.9          16.8               11.6 +/-    2.16      27.5 +/-    2.16  0.040 / 0.050
G29     164.4          54.4                9.1 +/-    1.35      10.9 +/-    1.35  0.040 / 0.050