PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/23-19:42:30
G08     293.4          23.0               11.5 +/-    0.88      23.6 +/-    0.88  0.120 / 0.100
G10     4.6            63.1               10.4 +/-    0.81      11.5 +/-    0.81  0.150 / 0.110
G14     229.8          46.6               13.8 +/-    2.47      18.2 +/-    2.47  0.060 / 0.080
G18     64.2           50.4               11.5 +/-    1.09      14.5 +/-    1.09  0.050 / 0.090
G21     145.2          36.4               14.5 +/-    0.88      22.4 +/-    0.88  0.100 / 0.120
G24     57.6           26.7               11.8 +/-    1.46      22.1 +/-    1.46  0.120 / 0.130
G27     253.3          31.7               11.5 +/-    2.95      19.5 +/-    2.95  0.040 / 0.020
G32     244.2          65.7               13.7 +/-    0.42      14.9 +/-    0.42  0.030 / 0.020