PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/14-23:12:40
G10     299.7          52.2               10.5 +/-    1.23      12.9 +/-    1.23  0.100 / 0.240
G14     210.7          15.4               16.7 +/-    2.01      41.0 +/-    2.01  0.090 / 0.250
G15     45.8           26.8                7.5 +/-    2.28      14.2 +/-    2.28  0.090 / 0.040
G18     2.8            65.6                9.7 +/-    0.83      10.6 +/-    0.83  0.090 / 0.040
G20     73.2           16.1                8.7 +/-    2.76      21.1 +/-    2.76  0.070 / 0.100
G21     104.9          71.5               11.1 +/-    0.87      11.7 +/-    0.87  0.060 / 0.100
G24     96.6           27.4               11.0 +/-    1.43      20.4 +/-    1.43  0.070 / 0.080
G27     296.2          36.0               12.1 +/-    2.26      18.8 +/-    2.26  0.060 / 0.080
G32     212.3          31.8               11.0 +/-    3.22      18.7 +/-    3.22  0.190 / 0.390