5el 85.5MHz LFA Yagi
Description
A 5el LFA Yagi for 85-86MHz - centre frequency 85.5MHz
A low noise, high gian Yagi for bout RX and TX. compact design on a 1.25" square boom and 1/2" round elements fully insulated from the boom
Performance single antenna:
Gain: 10.48dBi - free space
Gain 10m above ground: 16.22dBi
F/B: 28.75dB
-3dB E-plane: 51.8 degrees
-3dB H-plane: 66.8 degrees
2 x Yagi stacked 3m apart: 19.05dBi
Impedance: 50Ohm balanced
SWR: 85.5MHz + - 500KHz better than 1.2:1
Stacking Distances:
2 antennas: 3m vertically
The 5el 85.5MHz LFA Azimuth plot in free space
Elevation plot of the 5el LFA in free space:
2 x 5el stacked 3m apart vertically, one above the other in free space:
2 x 5el LFA stacked 3m apart and 10m above ground, showing ground-gain: