[Antennas] Ground Mounted Vertical Radials

Joe nss at mwt.net
Thu Aug 21 23:23:13 EDT 2008


I wonder how elevated an elevated system has to be for this to hold 
true?  I would think it probably would have to be in terms of 
wavelenghts?  Or at least that would make sence to me..  but could be wrong.

Joe WB9SBD

Chris Boone wrote:

>If you ground mount, you are making a counterpoise...and what you are doing
>is coupling to the ground through the radials so insulated or non- doesn't
>matter much...however, if you raise the base 10-30ft OFF ground, you need
>only 4 radials for good operation..unlike ground mounted which requires MORE
>radials; the more wire in the ground, the better but elevated, you don't
>increase much past 4 radials...I have done a multiband vertical with 4 60ft
>radials and it worked great roof mounted. Check www.cebik.com for best info
>on antennas...IT IS the definite web site for antenna info. Its free to
>register...and the antenna info is at
>http://www.cebik.com/content/radio.html
>
>Chris
>WB5ITT
>
>-----Original Message-----
>From: antennas-bounces at mailman.qth.net
>[mailto:antennas-bounces at mailman.qth.net] On Behalf Of Jerry
>Sent: Thursday, August 21, 2008 8:20 AM
>To: antennas at mailman.qth.net
>Subject: [Antennas] Ground Mounted Vertical Radials
>
>Please reply off list to     n6vg at lanset.com
>
>Should buried radials for a ground mounted vertical
>be insulated or bare copper wire?  Or does it make
>any difference which one is used?
>
>Thanks.   Jerry N6VG
>
>
>
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