PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/05-15:42:40
G07     6.5            66.9               14.5 +/-    0.43      15.7 +/-    0.43  0.040 / 0.040
G08     69.4           50.8               15.7 +/-    0.49      19.6 +/-    0.49  0.040 / 0.050
G09     180.0          53.0               13.1 +/-    1.28      16.0 +/-    1.28  0.040 / 0.040
G11     133.4          25.2               15.3 +/-    1.27      29.7 +/-    1.27  0.030 / 0.040
G23     158.6          19.7               14.0 +/-    0.84      30.9 +/-    0.84  0.050 / 0.200
G27     41.9           19.6               11.8 +/-    1.44      26.2 +/-    1.44  0.110 / 0.240
G28     255.1          43.3               16.0 +/-    1.71      22.0 +/-    1.71  0.040 / 0.060
G30     317.5          48.3               13.1 +/-    0.39      16.9 +/-    0.39  0.050 / 0.050