A COMPETITIVE DX/CONTEST STATION WITH ONE TOWER ONLY?
© Kari Karvonen, OH5LF
Why stack 3 tribanders?
Just single tower needed
To get effective stack system for all high bands
They do the same job as 9 monobanders would
3 directions simultanously
What the antenna directions?
upper KT34XA and 40M2, 360 degrees
mid. KT34XA, to W/VE only
lower KT34XA and 40M2, from PY...JA
3.8 MHz 2-el wire yagi, E-W
1.8 MHz spitfire, E-W
How do they work?
KT34XAs are feeded via Dunestar matchbox
1 x 3 ant, 2 x 2, 3 x 1 makes 7 combinations without detuning of amplifier, max 3 directions.
40M2s feeded via matchbox
lower, upper or stack.
max two directions