PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/15-17:13:00
G08     266.5          18.6                6.2 +/-    2.23      14.2 +/-    2.23  0.280 / 0.270
G10     63.4           56.6                7.1 +/-    0.76       8.3 +/-    0.76  0.180 / 0.230
G11     314.5          13.6                6.2 +/-    2.47      16.0 +/-    2.47  0.040 / 0.050
G14     260.2          62.6                8.3 +/-    0.73       9.2 +/-    0.73  0.050 / 0.060
G20     97.2           33.4                7.3 +/-    1.26      11.9 +/-    1.26  0.160 / 0.650
G21     154.9          14.8               10.3 +/-    2.82      25.7 +/-    2.82  0.210 / 0.460
G24     40.5           10.9                6.4 +/-    4.53      17.5 +/-    4.53  0.080 / 0.200
G27     231.6          16.5                8.2 +/-    4.16      19.6 +/-    4.16  0.110 / 0.200
G31     178.7          29.4               10.0 +/-    1.01      17.8 +/-    1.01  0.030 / 0.030
G32     345.4          74.1                7.3 +/-    0.40       7.6 +/-    0.40  0.040 / 0.030