PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/24-23:42:50
G08     267.8          19.1                7.6 +/-    1.92      17.0 +/-    1.92  0.190 / 0.390
G10     57.8           58.9                9.4 +/-    0.51      10.8 +/-    0.51  0.130 / 0.290
G11     312.4          16.6               -1.3 +/-   16.93      -3.1 +/-   16.93  0.040 / 0.060
G14     261.6          64.5                7.8 +/-    0.71       8.5 +/-    0.71  0.040 / 0.060
G18     313.1          31.1                7.8 +/-    2.99      13.4 +/-    2.99  0.130 / 0.270
G20     93.3           38.0                9.1 +/-    0.57      13.7 +/-    0.57  0.090 / 0.280
G21     154.4          17.1                9.9 +/-    2.70      23.4 +/-    2.70  0.100 / 0.260
G27     234.4          17.5               10.3 +/-    1.91      24.1 +/-    1.91  0.080 / 0.260
G31     178.5          28.6               10.9 +/-    1.28      19.7 +/-    1.28  0.030 / 0.040
G32     335.7          74.9                8.9 +/-    0.68       9.2 +/-    0.68  0.030 / 0.040