PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/10-17:43:10
G02     19.9           65.6               13.7 +/-    0.69      14.9 +/-    0.69  0.040 / 0.060
G05     160.0          48.8               15.2 +/-    0.73      19.5 +/-    0.73  0.050 / 0.060
G06     48.3           25.2               12.3 +/-    1.88      24.0 +/-    1.88  0.020 / 0.020
G12     229.2          77.9               13.2 +/-    0.47      13.5 +/-    0.47  0.020 / 0.020
G19     92.2           14.8               13.7 +/-    1.73      34.3 +/-    1.73  0.310 / 0.570
G20     197.4          16.2               16.9 +/-    2.20      40.9 +/-    2.20  0.440 / 0.770
G24     216.9          10.8               14.1 +/-    8.09      38.8 +/-    8.09  0.040 / 0.040
G25     307.5          48.5               14.4 +/-    1.31      18.4 +/-    1.31  0.040 / 0.040
G29     301.1          23.1               14.0 +/-    2.53      28.5 +/-    2.53  0.370 / 0.320