My latest antenna uses a 9:1 Un Un. That’s a funny word isn’t it. It means Unbalanced to Unbalanced. It matches an unbalanced coax feed to an unbalanced antenna. The bonus here is that I can operate on 7 different bands using the same 35 foot wire antenna!
I had to change antennas every time I changed bands the old way. I guess this means I’ll have 7 single band antennas for sale soon!
Note the bungee cord in the back. It allows for strain relief when this antenna is mounted over a tree limb.
Torroid on the left and PL 259 on the bottom.
Reinforcing block at the wire end of the Un Un. Note the hot glue holding the block.
Strain Relief for the wire lug.
I’ll use this antenna in the park, portable. Strain relief keeps the wire lug from separating from the antenna wire.
I got the diagram and physical layout here. I added the bungee for strain relief and the reinforced ends. The Reinforced ends allow me to mount this antenna horizonatally, from my condo porch to the nearby Live Oak Tree.
Jim Cluett, W1PID mentioned this un un kit in a recent post. Thanks Jim. Thank you to the ‘Emergency Amateur Club in Honolulu for the PDF for this project.
73 de AA1IK