PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/28-22:43:10
G08     312.8          17.4               14.3 +/-    1.08      33.6 +/-    1.08  0.040 / 0.050
G10     320.4          57.7               12.8 +/-    0.65      14.8 +/-    0.65  0.040 / 0.050
G14     215.5          27.2               14.8 +/-    1.38      27.6 +/-    1.38  0.050 / 0.070
G15     45.9           15.4                8.7 +/-    1.98      21.4 +/-    1.98  0.040 / 0.060
G18     29.5           61.6               12.8 +/-    0.58      14.3 +/-    0.58  0.060 / 0.130
G21     128.1          60.3               14.4 +/-    0.82      16.3 +/-    0.82  0.060 / 0.110
G24     81.9           30.4               12.7 +/-    0.62      22.1 +/-    0.62  0.080 / 0.080
G27     280.0          38.1               14.8 +/-    0.72      22.2 +/-    0.72  0.060 / 0.060
G32     219.5          43.7               13.9 +/-    1.38      19.1 +/-    1.38  0.060 / 0.200