PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/09-17:42:40
G01     320.8          13.3               -6.6 +/-   33.36     -17.1 +/-   33.36  0.110 / 0.180
G08     264.4          17.6                9.8 +/-    2.02      22.8 +/-    2.02  0.140 / 0.210
G10     67.6           55.5                8.6 +/-    0.89      10.1 +/-    0.89  0.080 / 0.330
G11     312.8          15.2                4.8 +/-    1.40      11.9 +/-    1.40  0.060 / 0.320
G14     264.9          63.9                9.3 +/-    1.78      10.2 +/-    1.78  0.120 / 0.190
G20     99.4           31.9                9.6 +/-    1.47      16.1 +/-    1.47  0.110 / 0.210
G21     155.3          12.7               10.2 +/-    3.08      26.7 +/-    3.08  0.040 / 0.060
G27     229.8          14.8               10.2 +/-    2.74      25.5 +/-    2.74  0.050 / 0.060
G31     178.1          32.1               10.9 +/-    3.57      18.3 +/-    3.57  0.190 / 0.320
G32     352.6          72.6               10.1 +/-    0.49      10.5 +/-    0.49  0.190 / 0.330