PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/24-01:28:00
G10     254.1          30.9                9.8 +/-    0.81      16.9 +/-    0.81  0.110 / 0.130
G13     49.7           26.5                8.9 +/-    2.60      16.9 +/-    2.60  0.120 / 0.110
G15     77.0           55.8               10.3 +/-    1.03      12.2 +/-    1.03  0.040 / 0.040
G16     293.2          15.0                5.1 +/-    2.24      12.8 +/-    2.24  0.040 / 0.050
G20     275.6          53.2               10.7 +/-    3.28      13.0 +/-    3.28  0.110 / 0.480
G21     339.3          62.7                9.2 +/-    0.73      10.3 +/-    0.73  0.130 / 0.490
G26     265.3          13.8                8.1 +/-    2.84      20.7 +/-    2.84  0.120 / 0.230
G29     163.9          44.0               11.0 +/-    0.75      15.1 +/-    0.75  0.100 / 0.160