PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/23-18:57:40
G01     319.9          16.8                9.8 +/-    2.47      23.2 +/-    2.47  0.110 / 0.320
G08     261.0          15.6               15.5 +/-    2.13      37.9 +/-    2.13  0.140 / 0.340
G10     74.6           53.5               14.6 +/-    0.92      17.7 +/-    0.92  0.050 / 0.060
G11     309.4          18.1               13.0 +/-    1.45      30.0 +/-    1.45  0.050 / 0.060
G14     273.0          65.6               13.7 +/-    0.91      14.9 +/-    0.91  0.030 / 0.050
G20     103.1          29.3               15.5 +/-    0.83      27.6 +/-    0.83  0.040 / 0.040
G27     226.8          11.9               16.8 +/-    4.27      44.8 +/-    4.27  0.150 / 0.360
G31     176.8          37.1               19.3 +/-    0.84      29.5 +/-    0.84  0.150 / 0.270
G32     2.7            69.8               14.9 +/-    0.16      15.8 +/-    0.16  0.150 / 0.240