PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/15-09:12:10
G02     213.5          58.8                9.0 +/-    1.08      10.3 +/-    1.08  0.050 / 0.050
G06     65.4           75.9                6.0 +/-    0.95       6.1 +/-    0.95  0.040 / 0.050
G17     54.6           33.9                3.1 +/-    0.64       5.0 +/-    0.64  0.040 / 0.040
G19     37.9           49.3                3.7 +/-    0.63       4.7 +/-    0.63  0.060 / 0.040
G24     270.9          41.3                5.1 +/-    1.00       7.3 +/-    1.00  0.110 / 0.230
G28     118.0          23.3                5.7 +/-    1.11      11.6 +/-    1.11  0.100 / 0.260