PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/27-17:43:10
G10     279.7          46.1               12.3 +/-    0.96      16.3 +/-    0.96  0.100 / 0.150
G15     50.2           38.7               11.9 +/-    1.23      17.7 +/-    1.23  0.110 / 0.210
G20     324.2          64.6               12.6 +/-    0.57      13.8 +/-    0.57  0.100 / 0.200
G21     35.7           76.4               14.3 +/-    0.95      14.7 +/-    0.95  0.130 / 0.190
G24     113.5          19.9               12.6 +/-    1.42      27.7 +/-    1.42  0.050 / 0.040
G27     313.2          26.3               10.9 +/-    2.04      20.6 +/-    2.04  0.050 / 0.040
G29     168.2          21.8               12.2 +/-    1.05      25.7 +/-    1.05  0.060 / 0.090
G32     205.4          19.4               12.5 +/-    3.56      27.8 +/-    3.56  0.050 / 0.060