PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/13-15:28:10
G10     248.8          27.2               10.4 +/-    1.45      19.3 +/-    1.45  0.030 / 0.040
G13     54.8           29.7                8.9 +/-    1.90      15.8 +/-    1.90  0.030 / 0.040
G15     86.2           56.6                8.9 +/-    0.73      10.5 +/-    0.73  0.040 / 0.050
G20     269.6          51.8               10.5 +/-    3.16      12.9 +/-    3.16  0.040 / 0.050
G21     332.3          58.6                7.6 +/-    0.49       8.7 +/-    0.49  0.120 / 0.140
G26     270.3          16.2                9.6 +/-    1.73      23.2 +/-    1.73  0.080 / 0.160
G29     163.2          53.7                9.7 +/-    0.71      11.7 +/-    0.71  0.140 / 0.140