PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/06-14:58:10
G10     279.1          45.9                8.1 +/-    1.02      10.8 +/-    1.02  0.150 / 0.140
G13     37.9           9.4                 4.3 +/-    4.92      12.0 +/-    4.92  0.100 / 0.120
G15     49.8           37.6                6.8 +/-    0.92      10.4 +/-    0.92  0.110 / 0.120
G20     325.5          64.9                7.3 +/-    0.46       8.0 +/-    0.46  0.080 / 0.130
G21     38.0           76.2                7.9 +/-    1.03       8.1 +/-    1.03  0.040 / 0.040
G24     113.9          19.6                9.4 +/-    1.15      20.9 +/-    1.15  0.040 / 0.040
G27     313.5          26.1                5.4 +/-    2.18      10.3 +/-    2.18  0.090 / 0.630
G29     168.2          22.5                7.7 +/-    1.14      15.9 +/-    1.14  0.090 / 0.410
G32     205.1          19.4                8.8 +/-    3.30      19.6 +/-    3.30  0.050 / 0.060