PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/27-20:28:10
G10     307.2          55.4               17.2 +/-    1.40      20.4 +/-    1.40  0.040 / 0.040
G14     211.6          13.6               26.3 +/-    3.58      67.7 +/-    3.58  0.040 / 0.030
G15     45.6           23.3               14.3 +/-    2.56      29.1 +/-    2.56  0.160 / 0.680
G20     7.9            64.4               16.7 +/-    0.39      18.3 +/-    0.39  0.150 / 0.670
G21     109.1          71.4               17.8 +/-    0.27      18.6 +/-    0.27  0.140 / 0.120
G24     93.9           28.5               17.0 +/-    1.30      30.7 +/-    1.30  0.140 / 0.190
G27     295.3          36.3               20.1 +/-    2.72      31.2 +/-    2.72  0.080 / 0.100
G32     212.2          37.5               24.4 +/-    1.72      37.0 +/-    1.72  0.080 / 0.110