PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/26-20:57:40
G07     36.7           69.7               13.2 +/-    1.03      14.0 +/-    1.03  0.270 / 0.330
G08     57.5           46.8               11.0 +/-    0.60      14.4 +/-    0.60  0.150 / 0.410
G09     179.6          42.0               14.6 +/-    1.24      20.6 +/-    1.24  0.040 / 0.070
G11     125.8          31.9               15.7 +/-    1.04      26.4 +/-    1.04  0.060 / 0.070
G18     108.6          14.2               16.2 +/-    1.69      41.0 +/-    1.69  0.030 / 0.040
G27     37.8           10.4               10.0 +/-    2.31      27.6 +/-    2.31  0.020 / 0.040
G28     269.9          50.7               13.6 +/-    0.80      17.0 +/-    0.80  0.060 / 0.070
G30     331.3          58.9               12.5 +/-    0.71      14.3 +/-    0.71  0.060 / 0.080