PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/16-03:27:50
G01     220.6          13.0                4.3 +/-    3.20      11.2 +/-    3.20  0.190 / 0.580
G03     274.4          69.6                5.1 +/-    1.14       5.4 +/-    1.14  0.130 / 0.490
G09     297.3          11.7               -1.9 +/-   26.95      -5.1 +/-   26.95  0.120 / 0.200
G14     89.8           23.0                4.5 +/-    1.50       9.1 +/-    1.50  0.110 / 0.240
G16     138.8          50.1                6.8 +/-    0.51       8.6 +/-    0.51  0.220 / 0.360
G22     210.6          66.3                5.6 +/-    0.60       6.0 +/-    0.60  0.230 / 0.330
G23     312.6          42.9                5.2 +/-    0.76       7.2 +/-    0.76  0.040 / 0.030
G26     86.5           54.1                5.5 +/-    1.06       6.6 +/-    1.06  0.040 / 0.040
G31     48.1           26.2                3.6 +/-    2.00       6.9 +/-    2.00  0.040 / 0.060