PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/15-21:58:10
G01     316.6          24.4                8.4 +/-    1.75      16.7 +/-    1.75  0.210 / 0.380
G08     254.2          10.8               10.2 +/-    2.41      28.1 +/-    2.41  0.320 / 0.270
G10     88.6           48.1                8.6 +/-    1.01      11.1 +/-    1.01  0.170 / 0.390
G11     300.1          23.4                8.3 +/-    1.07      16.8 +/-    1.07  0.180 / 0.300
G14     303.0          70.1                9.2 +/-    0.43       9.8 +/-    0.43  0.040 / 0.050
G20     110.6          23.4               10.0 +/-    1.63      20.4 +/-    1.63  0.050 / 0.060
G22     303.4          12.6                9.3 +/-    2.59      24.5 +/-    2.59  0.150 / 0.220
G25     97.5           10.3                4.5 +/-   33.12      12.6 +/-   33.12  0.100 / 0.180
G31     173.2          48.6               11.0 +/-    0.63      14.1 +/-    0.63  0.200 / 0.390
G32     18.7           63.0                8.8 +/-    0.61       9.7 +/-    0.61  0.180 / 0.440