Monday, May 16, 2016

Earths, losses and vertical antennas. Post #777.

Earths, losses and vertical antennas
(http://www.robkalmeijer.nl/technek/electronica/radiotechniek/hambleden/radcom/1992/10/page35/index.html).
Please click link to read the full article and to view examples of Bobtail Curtain antennas.
Author:  Rob Kalmeijer.

Rob Kalmeijer has assembled an easily understood tutorial on the design, construction, and use of Bobtail Curtain Antennas.  Bobtail Curtain Antennas are excellent low-angle vertical radiators exhibiting a broadside, bidirectional pattern. These antennas offer modest gain and some directivity. Most Bobtail Curtain arrays are used for single band use, but can be adapted to other bands with a sturdy antenna transmatch (i.e. "tuner").  HF Bobtail Curtains use a lot of space especially for frequencies of 7 MHz and below.  A 10 meter Bobtail Curtain Antenna is certainly manageable and can be used to good advantage when the band is open.  The illustrations accompanying the tutorial will give you a general idea of the dimensions involved.

For the latest Amateur Radio news and events, please check out the blog sidebars.  These news feeds are updated daily.  Thanks for joining us today! Aloha es 73 de Russ (KH6JRM).