PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/07-04:43:00
G01     229.1          19.8                6.9 +/-    1.03      15.3 +/-    1.03  0.100 / 0.170
G03     297.1          64.2                4.5 +/-    1.06       5.0 +/-    1.06  0.100 / 0.190
G14     82.8           27.3                4.1 +/-    1.50       7.5 +/-    1.50  0.040 / 0.030
G16     147.4          42.2                8.5 +/-    0.67      11.9 +/-    0.67  0.030 / 0.040
G22     229.4          73.2                5.0 +/-    0.69       5.2 +/-    0.69  0.100 / 0.160
G23     304.2          34.2                5.3 +/-    1.92       8.5 +/-    1.92  0.090 / 0.170
G26     102.3          53.1                7.6 +/-    0.58       9.2 +/-    0.58  0.060 / 0.120
G31     44.2           34.6                3.8 +/-    0.87       6.1 +/-    0.87  0.050 / 0.110