update 27th May 2003 /
July 27, 04, ... , upd.
on this side you see the "old" mobile antenna.
Go to here
where yo see the the new ROOMCAP antenna.
This is not
the new HB9ABX HF antenna.
this antenna around 1990.
is found under "NEW HF ANTENNA from HB9ABX"
This mobile antenna is designed for all HF
from 10 to 80 meters
an proved to be very efficient in my travels
in South America on
15 and 20m for contacts to Europe and within
The antenna is my own development.
Compared to commercial HAM Antennas the
always much better, due to the larger size and
lower loss in coil.
Comparing with the
Screwdriver type antennas always resulted in 2-4 S-points
advantage in favor of this
In field tests we compared 3 different
antennas, all at the same
location, at the same time, each one with 100
The 3 antennas were:
- HUSTLER mobile antenna (10 -
- 40 m)
- HB9ABX mobile
(10 - 80 m)
In all tests the signal of the home made
was by far the strongest!
complete construction guide, containg all pictures and
If you are interested in this document read