PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/12-22:43:10
G10     277.5          43.1               14.7 +/-    0.95      20.4 +/-    0.95  0.090 / 0.050
G13     39.0           12.4               11.2 +/-    3.04      29.7 +/-    3.04  0.090 / 0.060
G15     51.6           41.6               13.5 +/-    0.66      19.1 +/-    0.66  0.130 / 0.150
G18     322.6          66.5               14.5 +/-    0.39      15.6 +/-    0.39  0.110 / 0.180
G20     61.4           27.3               12.1 +/-    1.77      22.5 +/-    1.77  0.080 / 0.150
G21     39.2           76.5               14.6 +/-    1.22      14.9 +/-    1.22  0.070 / 0.130
G24     113.4          19.4               17.1 +/-    1.53      38.2 +/-    1.53  0.120 / 0.110
G27     312.1          27.2               12.8 +/-    2.47      23.7 +/-    2.47  0.120 / 0.110
G29     167.0          18.0               18.2 +/-    1.21      42.1 +/-    1.21  0.040 / 0.030
G32     206.8          15.8               20.4 +/-    2.12      49.8 +/-    2.12  0.040 / 0.030