PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/23-18:57:50
G01     319.9          16.8               11.7 +/-    2.74      27.7 +/-    2.74  0.270 / 0.520
G08     261.0          15.6               15.8 +/-    2.04      38.6 +/-    2.04  0.240 / 0.540
G10     74.6           53.5               14.5 +/-    0.71      17.5 +/-    0.71  0.040 / 0.050
G11     309.4          18.1               11.6 +/-    2.21      26.6 +/-    2.21  0.050 / 0.050
G14     273.0          65.6               16.9 +/-    0.64      18.3 +/-    0.64  0.160 / 0.410
G20     103.1          29.3               15.9 +/-    1.37      28.2 +/-    1.37  0.130 / 0.290
G27     226.8          11.9               17.0 +/-    5.55      45.5 +/-    5.55  0.030 / 0.040
G31     176.8          37.1               17.9 +/-    2.24      27.3 +/-    2.24  0.040 / 0.040
G32     2.7            69.8               14.3 +/-    0.47      15.2 +/-    0.47  0.060 / 0.060