PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/22-15:43:10
G10     272.3          42.6                9.3 +/-    1.62      13.0 +/-    1.62  0.310 / 0.270
G13     39.7           13.8                6.6 +/-    4.33      16.8 +/-    4.33  0.180 / 0.140
G15     53.5           42.8                9.4 +/-    1.17      13.1 +/-    1.17  0.070 / 0.120
G16     274.4          11.3               10.7 +/-    1.72      29.1 +/-    1.72  0.070 / 0.140
G20     311.8          63.5                9.9 +/-    1.01      10.9 +/-    1.01  0.280 / 0.510
G21     16.1           74.0                9.6 +/-    0.83       9.9 +/-    0.83  0.260 / 0.400
G24     118.9          16.5               10.7 +/-    4.71      25.7 +/-    4.71  0.050 / 0.040
G27     316.8          22.0                7.5 +/-    2.38      15.8 +/-    2.38  0.050 / 0.040
G29     167.9          28.1               10.8 +/-    1.16      19.8 +/-    1.16  0.100 / 0.240
G32     204.1          14.0                8.5 +/-    5.26      21.7 +/-    5.26  0.180 / 0.360