PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/28-23:12:50
G10     261.6          34.0               14.3 +/-    1.20      23.1 +/-    1.20  0.130 / 0.370
G13     45.4           23.7                9.5 +/-    0.76      19.2 +/-    0.76  0.120 / 0.480
G15     66.6           53.1               12.7 +/-    0.74      15.4 +/-    0.74  0.040 / 0.040
G16     286.5          12.7               13.2 +/-    1.36      34.5 +/-    1.36  0.040 / 0.040
G18     289.4          62.1               12.8 +/-    0.69      14.3 +/-    0.69  0.130 / 0.360
G20     51.5           37.8               10.9 +/-    0.39      16.5 +/-    0.39  0.130 / 0.390
G21     353.3          69.1               12.1 +/-    1.06      12.8 +/-    1.06  0.130 / 0.190
G26     259.6          10.2               14.9 +/-    2.79      41.3 +/-    2.79  0.120 / 0.200
G27     319.9          16.3                9.2 +/-    2.04      22.1 +/-    2.04  0.070 / 0.090
G29     166.1          33.4               14.8 +/-    1.52      24.2 +/-    1.52  0.060 / 0.110