PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/15-16:43:00
G05     47.3           22.1                5.9 +/-    2.38      12.3 +/-    2.38  0.120 / 0.250
G10     234.3          12.2                7.0 +/-   20.46      18.5 +/-   20.46  0.160 / 0.230
G13     77.9           35.3                9.0 +/-    2.17      14.3 +/-    2.17  0.050 / 0.090
G15     126.3          51.0                9.1 +/-    0.92      11.4 +/-    0.92  0.050 / 0.080
G16     315.6          11.9                4.0 +/-   25.87      10.7 +/-   25.87  0.250 / 0.450
G20     246.7          36.8               11.4 +/-    1.41      17.4 +/-    1.41  0.180 / 0.440
G21     310.9          44.8                8.7 +/-    1.05      11.8 +/-    1.05  0.300 / 0.450
G25     201.2          13.8               13.8 +/-    2.08      35.2 +/-    2.08  0.270 / 0.490
G26     290.2          20.2                4.9 +/-    1.22      10.6 +/-    1.22  0.060 / 0.120
G29     150.1          76.6               10.1 +/-    1.00      10.3 +/-    1.00  0.070 / 0.120