PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/17-05:42:30
G03     254.3          70.3                4.7 +/-    0.53       5.0 +/-    0.53  0.040 / 0.050
G09     300.3          14.6                3.0 +/-    1.53       7.5 +/-    1.53  0.040 / 0.050
G14     94.8           18.8                4.0 +/-    1.40       9.1 +/-    1.40  0.100 / 0.190
G16     132.6          54.7                5.9 +/-    0.96       7.1 +/-    0.96  0.110 / 0.240
G22     201.9          60.9                5.0 +/-    0.39       5.6 +/-    0.39  0.060 / 0.050
G23     317.9          48.1                3.4 +/-    0.64       4.4 +/-    0.64  0.060 / 0.050
G26     76.9           53.1                4.2 +/-    0.60       5.1 +/-    0.60  0.120 / 0.250
G31     50.5           21.7               -2.6 +/-    2.22      -5.6 +/-    2.22  0.090 / 0.240