PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/21-00:27:50
G01     232.3          24.8               10.1 +/-    2.52      19.9 +/-    2.52  0.040 / 0.030
G03     308.1          58.2                8.8 +/-    1.33      10.1 +/-    1.33  0.040 / 0.030
G14     73.8           34.1                5.9 +/-    1.32       9.6 +/-    1.32  0.060 / 0.110
G16     152.3          34.4               10.0 +/-    0.94      16.0 +/-    0.94  0.050 / 0.120
G22     262.8          74.4               10.3 +/-    0.54      10.6 +/-    0.54  0.040 / 0.050
G23     299.4          30.4                9.0 +/-    1.03      15.6 +/-    1.03  0.050 / 0.030
G26     115.9          50.0                8.2 +/-    0.40      10.4 +/-    0.40  0.150 / 0.290
G31     42.5           41.1                5.3 +/-    1.29       7.5 +/-    1.29  0.230 / 0.300
G32     90.8           11.8                6.2 +/-    1.24      16.7 +/-    1.24  0.090 / 0.150