PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/09-16:58:10
G01     232.4          22.5               12.9 +/-    2.23      26.7 +/-    2.23  0.030 / 0.030
G03     297.8          66.4               11.4 +/-    0.74      12.3 +/-    0.74  0.030 / 0.040
G14     78.6           30.7                8.7 +/-    0.75      15.1 +/-    0.75  0.110 / 0.040
G16     152.5          37.5               12.3 +/-    1.13      18.7 +/-    1.13  0.060 / 0.060
G22     231.6          75.4               10.5 +/-    0.45      10.8 +/-    0.45  0.080 / 0.090
G23     302.7          33.9                8.8 +/-    1.75      14.3 +/-    1.75  0.070 / 0.090
G26     109.6          51.7               11.0 +/-    0.48      13.6 +/-    0.48  0.100 / 0.130
G31     42.9           38.0                8.0 +/-    1.40      12.1 +/-    1.40  0.090 / 0.110
G32     93.9           9.9                10.2 +/-    1.63      28.6 +/-    1.63  0.050 / 0.030