PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/31-18:28:00
G08     316.1          15.1                7.1 +/-    1.73      17.6 +/-    1.73  0.150 / 0.390
G10     321.7          58.5               11.5 +/-    0.80      13.2 +/-    0.80  0.190 / 0.270
G14     214.6          19.9               14.1 +/-    2.70      31.1 +/-    2.70  0.150 / 0.530
G15     45.9           14.6                7.2 +/-    0.87      18.0 +/-    0.87  0.150 / 0.340
G20     27.7           61.8               11.0 +/-    0.80      12.3 +/-    0.80  0.050 / 0.080
G21     125.3          64.1               13.3 +/-    1.36      14.6 +/-    1.36  0.060 / 0.080
G24     84.4           30.3               12.2 +/-    0.46      21.2 +/-    0.46  0.030 / 0.050
G27     284.8          38.1               11.0 +/-    1.30      16.5 +/-    1.30  0.040 / 0.040
G32     216.7          46.3               15.0 +/-    3.36      19.9 +/-    3.36  0.110 / 0.250