PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/31-00:27:30
G08     294.4          23.6               11.5 +/-    1.16      23.2 +/-    1.16  0.090 / 0.080
G10     1.6            62.8                8.3 +/-    1.08       9.2 +/-    1.08  0.080 / 0.100
G14     227.3          43.2               12.4 +/-    1.67      17.1 +/-    1.67  0.050 / 0.080
G20     332.9          60.7               10.3 +/-    0.82      11.7 +/-    0.82  0.040 / 0.070
G21     145.2          44.5               12.0 +/-    1.07      16.3 +/-    1.07  0.080 / 0.090
G24     57.2           25.5                9.8 +/-    1.80      18.9 +/-    1.80  0.090 / 0.100
G27     257.9          33.1               11.3 +/-    2.20      18.7 +/-    2.20  0.130 / 0.120
G32     241.8          67.4               11.0 +/-    0.57      11.9 +/-    0.57  0.160 / 0.120