[Antennas] 468/Freq in Mhz

Tue Aug 25 10:04:30 EDT 2009

Yes, of course wood works but it changes things a lot too when it gets wet. 
If this is a test for adjusting something or seeing if it will work at all, 
fine, BUT, if it is expected to work anything near reliably and 
consistantly, apply several coats of spar-varnish to seal the wood against 
moisture and allow for more consistant operation.
If this wood thread continues, the moisture content problem needs to be 
mentined to those who are new and might not suspect the effect of the 
moisture soaked wood.
73, de Jim KG0KP
----- Original Message ----- 
From: "Alex Eban" <alexeban at gmail.com>
To: "'Andy'" <ingraham.ma.ultranet at rcn.com>; <antennas at mailman.qth.net>
Sent: Tuesday, August 25, 2009 3:56 AM
Subject: Re: [Antennas] 468/Freq in Mhz
> Hang it from a tree, tack it to a wooden piece of 2 by 2, whatever. It has
> been done, including the first spike vertical (4 quarter wave elements, 
> each
> cut for another band, connected together at the lower end and tacked each 
> to
> one side of the 2 by 2). Worked not bad at all with a reasonable ground
> plane!
> Alex 4Z5KS
>> -----Original Message-----
> From: antennas-bounces at mailman.qth.net
> [mailto:antennas-bounces at mailman.qth.net] On Behalf Of Andy
> Sent: Monday, August 24, 2009 9:25 PM
> To: antennas at mailman.qth.net
> Subject: Re: [Antennas] 468/Freq in Mhz
>> Somewhat off the subject ... but I am puzzled how you got a vertical made
> with #14 wire. Whatever is or was holding it up probably interacts with 
> it
> and that could have something to do with the large change in length too.
>> Also, four buried insulated radials is probably not very good; a lot of 
> your
> power may be going into heating dirt.
>> Andy
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