PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/01-03:27:50
G07     317.4          52.1                4.5 +/-    0.57       5.5 +/-    0.57  0.100 / 0.160
G08     118.2          46.2                6.7 +/-    0.69       8.8 +/-    0.69  0.080 / 0.150
G09     217.9          83.5                5.0 +/-    0.61       5.1 +/-    0.61  0.050 / 0.040
G16     43.7           15.1                0.9 +/-    2.95       2.1 +/-    2.95  0.040 / 0.040
G23     150.1          54.7                5.7 +/-    0.49       6.8 +/-    0.49  0.240 / 0.500
G27     68.8           36.1                5.3 +/-    1.20       8.2 +/-    1.20  0.220 / 0.560
G28     227.6          12.0                1.1 +/-   16.04       2.8 +/-   16.04  0.210 / 0.370
G30     291.0          24.9                5.8 +/-    1.91      11.4 +/-    1.91  0.240 / 0.220