PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/28-21:12:50
G01     314.8          27.1               10.5 +/-    1.27      19.6 +/-    1.27  0.080 / 0.310
G10     92.8           46.0               11.0 +/-    0.94      14.6 +/-    0.94  0.090 / 0.240
G11     297.2          24.2               10.5 +/-    2.08      20.9 +/-    2.08  0.040 / 0.040
G14     311.4          70.1               10.9 +/-    0.70      11.5 +/-    0.70  0.040 / 0.050
G20     113.2          20.7               10.1 +/-    1.93      21.7 +/-    1.93  0.120 / 0.210
G22     305.0          15.0                8.9 +/-    1.45      22.2 +/-    1.45  0.170 / 0.230
G25     94.4           11.8               10.9 +/-    1.78      29.3 +/-    1.78  0.150 / 0.180
G31     172.3          52.0               10.8 +/-    0.41      13.3 +/-    0.41  0.100 / 0.200
G32     23.6           60.4                9.5 +/-    0.71      10.7 +/-    0.71  0.050 / 0.040