PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/12-22:43:10
G08     295.6          21.9               11.0 +/-    2.37      23.0 +/-    2.37  0.050 / 0.090
G10     13.1           62.7                9.7 +/-    0.88      10.8 +/-    0.88  0.050 / 0.090
G14     229.5          44.8               12.1 +/-    2.42      16.4 +/-    2.42  0.090 / 0.130
G18     318.0          10.9               -9.7 +/-   15.42     -26.4 +/-   15.42  0.080 / 0.130
G20     67.6           51.0               10.1 +/-    0.88      12.5 +/-    0.88  0.120 / 0.160
G21     147.4          40.5               11.2 +/-    0.92      16.1 +/-    0.92  0.080 / 0.210
G24     56.4           26.0                9.8 +/-    2.24      18.7 +/-    2.24  0.100 / 0.180
G27     253.7          31.7                9.3 +/-    2.26      15.7 +/-    2.26  0.030 / 0.030
G32     246.9          68.9                9.0 +/-    0.46       9.6 +/-    0.46  0.030 / 0.030