PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/17-21:57:40
G01     314.9          27.0                7.8 +/-    1.84      14.6 +/-    1.84  0.140 / 0.360
G10     92.8           46.1               10.9 +/-    0.40      14.4 +/-    0.40  0.130 / 0.330
G11     296.9          24.4               11.0 +/-    1.65      21.9 +/-    1.65  0.070 / 0.160
G14     312.7          70.3               11.1 +/-    0.53      11.7 +/-    0.53  0.080 / 0.190
G20     113.1          21.0               12.3 +/-    1.03      26.4 +/-    1.03  0.120 / 0.380
G22     304.9          15.0                6.9 +/-    2.68      17.2 +/-    2.68  0.130 / 0.420
G25     94.5           11.8               11.3 +/-    1.25      30.2 +/-    1.25  0.050 / 0.040
G31     172.0          52.2               13.9 +/-    1.34      17.1 +/-    1.34  0.040 / 0.050
G32     23.3           60.6               10.0 +/-    0.35      11.3 +/-    0.35  0.040 / 0.050