[Antennas] stacked 1/2 wave 2m colinear

Thu Oct 12 21:04:33 EDT 2006

Thanks Glen!
This looks like fun so I believe I will give it a go. I prefer to avoid 
aluminum as it's difficult to solder to. I have plenty of 14ga copper 
wire though, and some 3/8" copper tubing. I think I will run the wire 
inside some PVC, and use the 3/8 copper tubing for the phasing sections.
I wish I had an analyzer to tune the phasing sections... I do have a 
dip meter, but have never tried to use it for this. How would you 
couple it to the "loop"? Anyone with more "dipping" experience care to 
comment?:-) Should be a fun weekend project!
Also on tap for this weekend is to finally mount on my truck an old 
"screwdriver" hf mobile antenna I've been rebuilding. I've been 
building a new controller for the past couple of weeks to run the motor 
up and down. I'm also homebrewing a "K9ZF" position indicator for it as 
well. Basically, I'm going to mount several microswitches along the 
body of the coil where a shaft will trip the switches as the coil runs 
up and down. The idea is to carefully position the switches to light 
an LED in the truck when you change bands. Should save a lot of abuse 
on the radio finals when tuning....
73
Dan
-- 
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G B wrote:
> Dan,
>> Here is where I started:
>> http://homepage.ntlworld.com/s.amesbury/M3FVB/8db collinear.htm
>>