PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/23-16:42:50
G08     318.8          13.0                7.8 +/-    1.94      20.3 +/-    1.94  0.070 / 0.060
G10     313.1          56.8                9.6 +/-    2.18      11.3 +/-    2.18  0.050 / 0.080
G14     213.0          14.5               13.8 +/-    3.31      34.7 +/-    3.31  0.140 / 0.370
G15     45.4           17.9                9.1 +/-    1.43      21.1 +/-    1.43  0.150 / 0.450
G20     18.9           63.1               10.8 +/-    1.20      12.0 +/-    1.20  0.120 / 0.280
G21     117.3          67.7               13.9 +/-    0.63      14.9 +/-    0.63  0.130 / 0.330
G24     90.1           29.4               14.5 +/-    1.12      25.7 +/-    1.12  0.040 / 0.040
G27     291.0          37.4                6.8 +/-    4.17      10.4 +/-    4.17  0.030 / 0.040
G32     213.6          41.7               14.4 +/-    1.28      20.4 +/-    1.28  0.080 / 0.050