PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/10-18:58:10
G01     318.8          19.1               10.5 +/-    1.29      23.5 +/-    1.29  0.030 / 0.040
G08     254.2          12.6               13.8 +/-    2.99      36.2 +/-    2.99  0.040 / 0.040
G10     82.1           51.8               11.3 +/-    1.14      13.9 +/-    1.14  0.070 / 0.060
G11     300.8          24.5               13.0 +/-    1.65      25.7 +/-    1.65  0.070 / 0.050
G14     302.4          71.3               11.9 +/-    0.57      12.5 +/-    0.57  0.130 / 0.260
G20     106.5          28.1               10.5 +/-    1.10      19.1 +/-    1.10  0.160 / 0.300
G22     301.4          10.9                2.3 +/-   15.85       6.3 +/-   15.85  0.120 / 0.430
G31     178.7          40.4               15.3 +/-    1.19      22.2 +/-    1.19  0.140 / 0.360
G32     8.1            67.1               11.3 +/-    0.90      12.1 +/-    0.90  0.190 / 0.450