PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/29-16:28:10
G07     27.2           69.3               18.5 +/-    0.84      19.6 +/-    0.84  0.050 / 0.040
G08     59.1           46.9               17.3 +/-    0.82      22.8 +/-    0.82  0.030 / 0.060
G09     179.0          44.5               20.7 +/-    0.81      28.1 +/-    0.81  0.030 / 0.030
G11     126.9          30.3               20.5 +/-    2.04      35.7 +/-    2.04  0.030 / 0.040
G18     111.1          12.6               21.3 +/-    1.81      56.2 +/-    1.81  0.050 / 0.030
G23     159.1          11.9               16.9 +/-    1.71      45.3 +/-    1.71  0.050 / 0.050
G27     38.8           13.4               12.6 +/-    2.22      32.5 +/-    2.22  0.140 / 0.200
G28     264.9          48.5               20.0 +/-    3.67      25.7 +/-    3.67  0.130 / 0.270
G30     325.1          54.5               17.1 +/-    0.56      20.5 +/-    0.56  0.120 / 0.260