PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/05-13:58:10
G10     248.9          27.3                6.2 +/-    1.50      11.4 +/-    1.50  0.170 / 0.510
G13     54.7           29.6                5.9 +/-    1.76      10.5 +/-    1.76  0.170 / 0.450
G15     84.7           56.1                6.5 +/-    0.97       7.7 +/-    0.97  0.030 / 0.030
G16     297.0          16.0                6.1 +/-    1.92      14.8 +/-    1.92  0.040 / 0.040
G20     270.2          52.4                6.3 +/-    2.20       7.7 +/-    2.20  0.040 / 0.050
G21     333.2          59.1                3.6 +/-    0.80       4.1 +/-    0.80  0.030 / 0.030
G26     270.6          16.1                5.9 +/-    2.60      14.2 +/-    2.60  0.110 / 0.120
G29     163.1          53.6                7.6 +/-    0.71       9.2 +/-    0.71  0.120 / 0.110