[Antennas] Building Full-Size 80m Vertical Query-Help. . . . .

[K1TTT]

It's a beautiful morning up here, 44f when I got up, slight breeze, mostly
blue sky, sun coming up.  A perfect day to work on antennas.


David Robbins K1TTT
e-mail: mailto:k1ttt at arrl.net
web: http://www.k1ttt.net
AR-Cluster node: 145.69MHz or telnet://dxc.k1ttt.net
 

> -----Original Message-----
> From: Chris Boone [mailto:Cboone at earthlink.net]
> Sent: Saturday, August 08, 2009 11:18
> To: Antennas at mailman.qth.net
> Subject: Re: [Antennas] Building Full-Size 80m Vertical Query-Help. . . .
> .
> 
> I stand corrected (meant voltage..but lysdexia made me type current...and
> I
> worship a DoG!)....not enough coffee this morning (yet! DAMN I am up
> before
> 7am on a Saturday morning?? What is wrong with me??)
> 
> Chris
> WB5ITT
> 
> -----Original Message-----
> From: antennas-bounces at mailman.qth.net
> [mailto:antennas-bounces at mailman.qth.net] On Behalf Of K1TTT
> Sent: Saturday, August 08, 2009 5:30 AM
> To: Antennas at mailman.qth.net
> Subject: Re: [Antennas] Building Full-Size 80m Vertical Query-Help. . . .
> .
> 
> > REMEMBER any attachments to the tower will need to be insulated....wood
> > can
> > catch fire if at a high current point....be CAREFUL.
> 
> That's at a 'high voltage' point where you can catch wood or other
> materials
> on fire... unless the conductor itself is undersized and overheats.  But
> doing a 1/4 wave vertical the high voltage point is at the top, the most
> current is at the bottom where its nice and fat.  And there shouldn't be
> any
> matching network needed, so nothing to get hot.
> 
> David Robbins K1TTT
> e-mail: mailto:k1ttt at arrl.net
> web: http://www.k1ttt.net
> AR-Cluster node: 145.69MHz or telnet://dxc.k1ttt.net
> 
> 
> 
> 
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