PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/20-20:27:50
G01     294.3          41.0               10.2 +/-    3.39      14.5 +/-    3.39  0.090 / 0.100
G03     310.0          12.1                7.2 +/-   14.64      19.0 +/-   14.64  0.070 / 0.110
G10     116.0          30.1               10.0 +/-    1.19      17.4 +/-    1.19  0.040 / 0.050
G11     273.7          25.2                8.9 +/-    2.56      17.3 +/-    2.56  0.040 / 0.040
G14     6.5            64.1                8.9 +/-    0.45       9.8 +/-    0.45  0.430 / 0.480
G22     313.0          33.1                8.1 +/-    1.10      13.3 +/-    1.10  0.170 / 0.200
G25     72.1           18.1                9.6 +/-    0.86      22.2 +/-    0.86  0.070 / 0.160
G26     159.4          10.1              -16.6 +/-   28.76     -46.2 +/-   28.76  0.070 / 0.130
G31     146.6          75.3               10.2 +/-    0.83      10.5 +/-    0.83  0.030 / 0.030
G32     47.8           43.9                9.1 +/-    0.82      12.4 +/-    0.82  0.020 / 0.020