PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/09-18:27:50
G01     312.7          30.0                9.3 +/-    1.30      16.2 +/-    1.30  0.090 / 0.160
G10     96.7           43.8                9.8 +/-    0.81      13.4 +/-    0.81  0.090 / 0.140
G11     295.3          24.2                8.1 +/-    1.67      16.2 +/-    1.67  0.160 / 0.400
G14     320.1          70.0                9.3 +/-    0.71       9.8 +/-    0.71  0.160 / 0.300
G20     115.7          17.4               11.1 +/-    1.88      25.9 +/-    1.88  0.120 / 0.130
G22     306.6          17.9                8.9 +/-    1.50      20.6 +/-    1.50  0.110 / 0.150
G25     90.8           13.0               12.0 +/-    1.51      31.3 +/-    1.51  0.050 / 0.060
G31     172.5          54.5               11.8 +/-    0.85      14.1 +/-    0.85  0.040 / 0.050
G32     28.3           57.6                8.6 +/-    0.93       9.9 +/-    0.93  0.060 / 0.060