PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/06-15:42:40
G07     11.0           67.6               12.9 +/-    0.80      13.8 +/-    0.80  0.050 / 0.050
G08     66.6           50.0               12.3 +/-    0.63      15.5 +/-    0.63  0.050 / 0.060
G09     179.6          50.9               15.4 +/-    0.64      19.2 +/-    0.64  0.030 / 0.030
G11     131.9          26.4               14.1 +/-    1.26      26.7 +/-    1.26  0.030 / 0.030
G23     158.8          18.0               14.5 +/-    1.72      33.5 +/-    1.72  0.050 / 0.050
G27     41.1           18.2               10.9 +/-    2.68      25.0 +/-    2.68  0.050 / 0.040
G28     257.3          44.6               14.2 +/-    3.39      19.3 +/-    3.39  0.090 / 0.180
G30     319.2          49.7               11.9 +/-    0.30      15.1 +/-    0.30  0.090 / 0.170