PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/11-22:12:40
G01     317.1          23.5                8.5 +/-    1.60      17.1 +/-    1.60  0.160 / 0.320
G08     255.3          11.4                8.8 +/-    4.93      23.8 +/-    4.93  0.190 / 0.310
G10     87.1           48.8                9.2 +/-    0.96      11.8 +/-    0.96  0.160 / 0.470
G11     301.0          23.0                8.1 +/-    1.54      16.6 +/-    1.54  0.220 / 0.400
G14     300.1          70.0                9.0 +/-    0.44       9.6 +/-    0.44  0.170 / 0.140
G20     109.8          24.3                9.7 +/-    1.69      19.3 +/-    1.69  0.160 / 0.120
G22     302.9          11.8                5.3 +/-   10.54      14.3 +/-   10.54  0.040 / 0.050
G25     98.5           9.8                -7.8 +/-   35.52     -21.9 +/-   35.52  0.040 / 0.050
G31     173.5          47.5               11.6 +/-    1.23      15.1 +/-    1.23  0.200 / 0.360
G32     16.9           63.9                9.0 +/-    0.34       9.9 +/-    0.34  0.180 / 0.380