[K3CAL] Log Periodic Antenna Project

[Wa4prr]

Looks interesting.  Perhaps something besides plexiglass should be used as spacers.  Plexiglass will break down in sunlight after a while.  73, 

Ron Byzet / WA4PRR - Sent from my iPad

On Jun 25, 2015, at 11:42 AM, Steve Hempling <hempling at comcast.net> wrote:

> http://www.dxzone.com/cgi-bin/dir/jump2.cgi?ID=22835
> 
> Here is the link for the 144 -  460 mhz Log Periodic Antenna that I have built and plan to build some more of....
> 
> The construction is hefty...almost 4.6 lbs... mainly due to local availability of thick wall aluminum box tubing... it is made with 1" square tubing (2 Booms (4 foot)) and 1/4 " solid Al rod.... seperated by plexiglass (1/5 " between Booms) with pop rivets.. and yes count-em   20 elements...
> 
> I have finished 1 to play with and we checked its performance... < 1.6 SWR thru the 2 meter and 440 band.... 220 band had poorer performance...  with Chip's $$$$1000.00 ish hitec Analyzer.... (who can argue with an analyzer owned by a ham who sometimes is bigger than life??)   Anyway cost should be about $50 or less... cost just being the cost of materials...   take a look and let me know at next meeting...  here are some pics.... enjoy 73 N3IPN
> <antenna1.jpg>
> <antenna2.jpg>
> <antenna3.jpg>
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