Ozzipole Antenna Build Out – DIY
The lads down under came up with the Kangaroo version of a Buddipole with a interesting design twist. These guys down under never sleep when it comes to creativity in the world of antennas
Naturally, as an antenna experimenter I just HAD to build this vegamite version
Here is the canuck version and it took a few iterations in the waterfall design methodology to get it right. I did not implement the 40m or 80m windings as these short antennas are too inefficient to make reliable QS0s at QRP levels
This is my version. I chose to use binding posts for the center mount as i may use this mount for other antennas. I treat all these antenna designs as lego blocks that can be mixed and matched with other antenna design components.
I chose a BNC jack as that is what my Buddipole and Packtenna baluns use
I did find I had to adjust the whip lengths for best swr as my PAC-12 and Buddipole whips are 72″ and the ozi design uses 36 inch lengths. At first I was dumbfounded as the swr was several MHZ below each tap setting and after several WTF moments and checking the connections again I just figured I needed to shorten the whip length.
I looked at the end results and it then hit me that the whip length on the oz- design had to be shorter and a quick check of the manual confirmed that.
I designed the ozi pole to have 3/8-24 threaded antenna connections so that I could use the whips I had on hand.
Its a great antenna and after finding the sweet spot I was able to make some quick contacts into Europe and South America and yeah several K6, N3 and K5s
The antenna is a keeper and sits in the Buddipole, Pac-12 and Packtenna hall of fame