PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/12-04:58:10
G01     273.0          41.3                8.5 +/-    2.58      12.1 +/-    2.58  0.060 / 0.050
G03     315.4          26.6                4.8 +/-    3.15       9.0 +/-    3.15  0.060 / 0.040
G10     128.8          18.0                6.3 +/-    1.39      14.6 +/-    1.39  0.060 / 0.060
G11     250.9          20.8                9.7 +/-    1.98      20.8 +/-    1.98  0.050 / 0.060
G14     39.9           52.0                6.6 +/-    1.83       8.2 +/-    1.83  0.160 / 0.430
G18     235.5          40.1                9.2 +/-    1.60      13.3 +/-    1.60  0.130 / 0.350
G22     314.2          49.7                5.4 +/-    1.29       6.9 +/-    1.29  0.040 / 0.050
G25     53.2           16.7                3.8 +/-    4.04       9.0 +/-    4.04  0.040 / 0.060
G31     56.5           72.8                6.7 +/-    0.48       7.0 +/-    0.48  0.170 / 0.160
G32     63.9           31.8                4.2 +/-    1.57       7.1 +/-    1.57  0.180 / 0.170