[Fourlanders] FW: Antenna Analysis

[Rogers, Ron]

Sherman,

My ARRL antenna books are all earlier versions...no CD....but are you
coming to the Hamfest Sat. ??

If so, bring the floppy.......I will bring my one laptop and burn a CD
on site.

Or.......get the floppy to someone else going to the Hamfest and meet me
there and I can process the CD right there.

Or.....have a neighbor read the file(s) from the floppy and e-mail it to
me and I will cut a CD BEFORE Sat. and give to Jim 

Besides, I'd like the opportunity to have the files myself

Ron
WW8RR


-----Original Message-----
From: fourlanders-bounces at contesting.com
[mailto:fourlanders-bounces at contesting.com] On Behalf Of
wa4kxy at bellsouth.net
Sent: Wednesday, March 12, 2008 9:28 PM
To: fourlanders at contesting.com
Subject: [Fourlanders] FW: Antenna Analysis

Hello everyone.  Does anyone have a copy of the Twentieth or newer
edition of the ARRL antenna book that Sherman can borrow?  In
particular, he needs the CD that came with it.  Sherman is trying to do
some analysis of our 6 meter antennas and their takeoff angle.  If you
have one and can bring it to the lunch after the hamfest I can get it
from you then.  Thanks.

73
Jim, W4KXY
-------------- Forwarded Message: --------------
From: Sherman Banks <w4atl at earthlink.net>
To: Jim Worsham <wa4kxy at bellsouth.net>
Subject: Antenna Analysis
Date: Wed, 12 Mar 2008 22:08:13 +0000 


I did some research on the antenna analysis with terrain that I saw and
the program that is used is called High Frequency Terrain Analysis
(HFTA). It is available in the ARRL Antenna Handbook. I have an old
handbook with a similar program but it is on a floppy and I do not have
any computers that can read a floppy disk any more! 

But this program will take US government terrain data and determine how
the takeoff angle changes for a yagi antenna. I'm not sure if it works
at 50 MHz. 

Do you have the 20th edition antenna book with the CD rom? 
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