PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/03-23:57:40
G10     299.7          52.1               12.3 +/-    1.11      15.1 +/-    1.11  0.080 / 0.040
G14     210.7          15.5               19.0 +/-    2.87      46.8 +/-    2.87  0.080 / 0.040
G15     45.9           27.2               10.3 +/-    2.01      19.2 +/-    2.01  0.070 / 0.130
G18     2.1            65.7               11.4 +/-    0.75      12.4 +/-    0.75  0.060 / 0.120
G20     73.3           15.9               11.6 +/-    2.79      28.2 +/-    2.79  0.030 / 0.030
G21     104.3          71.8               13.0 +/-    0.81      13.6 +/-    0.81  0.030 / 0.030
G24     96.6           27.4               14.6 +/-    1.04      27.0 +/-    1.04  0.080 / 0.080
G27     296.1          36.0               12.8 +/-    1.66      19.9 +/-    1.66  0.060 / 0.070
G32     212.3          32.2               13.0 +/-    2.16      21.8 +/-    2.16  0.090 / 0.240