PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/13-15:57:50
G10     261.0          36.1               11.9 +/-    1.17      18.5 +/-    1.17  0.120 / 0.260
G13     44.7           21.6                6.1 +/-    1.65      13.0 +/-    1.65  0.150 / 0.360
G15     64.2           50.9                8.5 +/-    0.76      10.6 +/-    0.76  0.080 / 0.180
G16     284.1          14.5                7.5 +/-    2.54      19.0 +/-    2.54  0.080 / 0.180
G20     290.5          59.2               10.3 +/-    1.01      11.8 +/-    1.01  0.080 / 0.080
G21     351.1          67.6                7.8 +/-    0.99       8.4 +/-    0.99  0.080 / 0.080
G24     127.2          10.4              -10.2 +/-   38.63     -28.1 +/-   38.63  0.070 / 0.050
G26     258.5          10.7                9.2 +/-    1.98      25.2 +/-    1.98  0.050 / 0.050
G27     321.1          13.8                6.5 +/-    2.73      16.6 +/-    2.73  0.040 / 0.080
G29     166.5          39.1               11.0 +/-    1.22      16.3 +/-    1.22  0.050 / 0.080