PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/14-04:57:50
G10     273.9          42.9                9.0 +/-    1.38      12.4 +/-    1.38  0.120 / 0.120
G13     39.3           13.0                5.2 +/-    2.05      13.6 +/-    2.05  0.140 / 0.130
G15     53.1           42.9                6.5 +/-    1.06       9.1 +/-    1.06  0.040 / 0.040
G20     309.8          62.6                8.2 +/-    0.66       9.1 +/-    0.66  0.030 / 0.030
G21     23.7           75.0                8.4 +/-    1.01       8.7 +/-    1.01  0.110 / 0.050
G24     115.1          17.6                8.6 +/-    1.68      20.1 +/-    1.68  0.080 / 0.040
G27     316.5          22.1                6.6 +/-    1.42      13.7 +/-    1.42  0.270 / 0.180
G29     166.4          22.5                9.8 +/-    1.24      20.3 +/-    1.24  0.170 / 0.270
G32     206.0          11.0              -11.0 +/-   26.53     -30.0 +/-   26.53  0.160 / 0.340