[SADXA] 160 DX

[RICHARD SOLOMON]

It is the Cushcraft MA-160V.

 

I added 4 more radial the other day, and the impedance went up (?) to

50 ohms, the minimum SWR increased to 1.7:1. Now this was with the

MFJ-259 which will not show reactance.

 

I didn't like what the 4 additional radials did, so I removed them. Maybe 

if I added a matching coil it might help, but that's adding another component.

 

I may just buy another Antenna Analyzer. I have received several suggestions

but I lean towards the MFJ-269.

 

But, if I can work EL and FW with the present setup I am happy. Once I get

the receiving Loop in line I can then see if I need to improve.

 

73, Dick, W1KSZ
 
> From: MikeZW0LTL at aol.com
> Date: Fri, 6 Mar 2009 12:44:02 -0500
> To: sadxa at mailman.qth.net
> Subject: Re: [SADXA] 160 DX
> 
> I started to tell you the other day that I have done a lot of research on 
> Verticals, use them a lot, and really like them for a bunch of reasons. One of 
> the things I found out that three radials do in fact help, and of course 120 
> full length at the lowest frequency is the ultimate, but that the real turning 
> point is at about 6 radials at the lowest frequency.Here is where you start 
> to see the real reactance in the system, the impedence approaches 50 ohms, 
> and it really starts to perform. The next step in number of radials is 10. If 
> you can get 6 or 10 down, you will have an excellent performer.
> What Cushcraft are you using?
> Mike 
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