|To:||towertalk reflector <email@example.com>|
|Subject:||[TowerTalk] Telescoping flagpole as home/portable vertical antenna?|
|From:||"Alan NV8A (ex. AB2OS)" <firstname.lastname@example.org>|
|Date:||Sat, 29 Jan 2005 15:27:21 -0500|
Yesterday I saw a display of telescoping anodized Al flagpoles that I
wondered about as possibly being suitable for use as a shunt-fed
vertical antenna at home and for Field Day or other portable operations.|
These are available in 16', 20' and 25' models and are designed to drop into a mounting socket embedded in the ground. The sections lock into place by means of spring-loaded pins.
The contraindications for using such a device as an antenna are the difficulty of
(a) getting a sufficiently good electrical contact between the sections
(b) finding a suitable feed point without having to scrape off the anodizing at many different points in search of a position that works.
Alan NV8A _______________________________________________
See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any questions and ask for Sherman, W2FLA.
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