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                6.8 +/-    0.61       7.8 +/-    0.61  0.080 / 0.200
G06     65.4           75.9                5.4 +/-    0.68       5.6 +/-    0.68  0.110 / 0.210
G17     54.6           33.9                4.2 +/-    1.17       6.7 +/-    1.17  0.060 / 0.080
G19     37.9           49.3                4.4 +/-    0.93       5.6 +/-    0.93  0.040 / 0.070
G24     270.9          41.3                5.8 +/-    2.51       8.2 +/-    2.51  0.070 / 0.050
G28     118.0          23.3                7.2 +/-    1.46      14.6 +/-    1.46  0.060 / 0.050