PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/28-03:58:10
G03     202.5          43.5                8.3 +/-    2.25      11.4 +/-    2.25  0.070 / 0.130
G07     270.5          25.8                7.1 +/-    1.11      13.6 +/-    1.11  0.080 / 0.120
G08     154.0          11.2               -0.4 +/-   34.29      -1.0 +/-   34.29  0.090 / 0.110
G09     317.4          42.4                5.1 +/-    2.17       7.2 +/-    2.17  0.080 / 0.130
G16     66.1           63.4                7.6 +/-    0.35       8.4 +/-    0.35  0.040 / 0.050
G22     184.3          27.0                7.5 +/-    2.25      14.0 +/-    2.25  0.030 / 0.050
G23     345.8          72.5                4.8 +/-    0.88       5.0 +/-    0.88  0.050 / 0.060
G26     46.0           34.8                5.0 +/-    0.44       7.9 +/-    0.44  0.040 / 0.060
G27     120.4          21.6                8.6 +/-    1.10      18.3 +/-    1.10  0.070 / 0.140