PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/04-22:12:40
G08     315.1          15.9               14.7 +/-    4.19      35.8 +/-    4.19  0.040 / 0.050
G10     315.4          56.6               15.0 +/-    0.68      17.6 +/-    0.68  0.040 / 0.040
G14     214.2          24.4               21.7 +/-    1.66      43.0 +/-    1.66  0.090 / 0.290
G15     45.7           17.7               13.1 +/-    1.34      30.6 +/-    1.34  0.110 / 0.330
G18     24.4           62.6               15.2 +/-    0.47      16.9 +/-    0.47  0.080 / 0.110
G20     80.1           10.4               14.6 +/-    3.50      40.4 +/-    3.50  0.080 / 0.130
G21     124.3          62.7               18.1 +/-    0.88      20.1 +/-    0.88  0.080 / 0.520
G24     85.4           30.1               17.1 +/-    0.64      29.9 +/-    0.64  0.080 / 0.520
G27     283.9          38.0               17.3 +/-    1.14      26.1 +/-    1.14  0.040 / 0.040