RoomCap 80m SWR Bandwidth
7th November 2006 / UPDATE 14.April 2007
installed his 80m antenna on a flat roof of a building at about
25 m above ground. (Radiator length = 166cm + top capacity).
He measured the antenna SWR bandwidth curve with an antenna analyzer
and made an Excel sheet.
The frequency for SWR 1.0 is set in seconds to any desired frequency of
by means of the Remote Frequency Adjustment RFA (this is a feature of
Roomcap Antenna). That means, that SWR 1:1 is obtained over the full
Here is the XLS-presentation
Here is the PDF-presentation
is the installed antenna at HB9BPP as picture.