PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/10-15:58:00
G03     214.4          61.3               13.8 +/-    1.30      15.5 +/-    1.30  0.170 / 0.350
G07     253.0          11.5                5.1 +/-   22.47      13.8 +/-   22.47  0.150 / 0.310
G09     307.5          23.4               10.2 +/-    1.62      20.8 +/-    1.62  0.030 / 0.040
G14     105.0          12.1               12.4 +/-    3.87      33.0 +/-    3.87  0.030 / 0.050
G16     106.8          63.4               11.8 +/-    1.70      13.0 +/-    1.70  0.030 / 0.040
G22     186.2          43.9               12.9 +/-    0.80      17.6 +/-    0.80  0.040 / 0.030
G23     329.9          58.9               11.5 +/-    0.38      13.2 +/-    0.38  0.060 / 0.070
G26     57.4           45.6               12.0 +/-    1.21      16.0 +/-    1.21  0.050 / 0.070
G31     57.0           12.3               10.8 +/-    1.58      28.5 +/-    1.58  0.110 / 0.230