PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/14-04:57:40
G10     273.9          42.9                8.7 +/-    0.80      12.1 +/-    0.80  0.100 / 0.170
G13     39.3           13.0                4.8 +/-    1.41      12.6 +/-    1.41  0.110 / 0.140
G15     53.1           42.9                6.2 +/-    0.45       8.6 +/-    0.45  0.040 / 0.040
G16     276.6          10.1                7.0 +/-    1.89      19.3 +/-    1.89  0.040 / 0.040
G20     309.8          62.6                6.9 +/-    1.07       7.7 +/-    1.07  0.060 / 0.060
G21     23.7           75.0                8.6 +/-    0.92       8.9 +/-    0.92  0.080 / 0.070
G24     115.1          17.6                9.0 +/-    1.67      20.9 +/-    1.67  0.090 / 0.430
G27     316.5          22.1                4.5 +/-    2.06       9.3 +/-    2.06  0.080 / 0.540
G29     166.4          22.5               10.4 +/-    1.44      21.6 +/-    1.44  0.090 / 0.240
G32     206.0          11.0              -12.9 +/-   28.81     -35.3 +/-   28.81  0.100 / 0.280