[TowerTalk] Antenna Analyzers

[Jeff Blaine]

I have a rig expert AA55 and it's great.  Long battery life, has 
end-of-coax-plane calibration and is rugged.  The MFJ259 is fine but 
it's way too sensitive to BC interference.  And the VNAs I have are too 
cumbersome for typical antenna work.

Good luck in your hunt.

73/jeff/ac0c
alpha-charlie-zero-charlie
www.ac0c.com

On 6/6/19 6:24 PM, Larry B. via TowerTalk wrote:
> Another "vote" for the SARK-110.  I use it (mostly) in the shack 
> connected to my PC, but also find it fine in the field.
>
> 73 -- Larry -- W1DYJ
>
>
>
> -----Original Message----- From: Dick Green WC1M
> Sent: Thursday, June 06, 2019 16:37
> To: 'Garry' ; towertalk at contesting.com
> Subject: Re: [TowerTalk] Antenna Analyzers
>
> The best choice depends on your intended use for the instrument. Do 
> you really need a vector network analyzer? Much as I love lab-quality 
> instruments, I don't design antennas, filters, matching networks, 
> etc., and while it would be fun to measure some of those things in my 
> station, virtually all of my use is checking resonant frequencies, 
> bandwidth, SWR, impedance and the length/integrity of feedlines. All 
> that can be done with a good antenna analyzer and you don't have to 
> spend a ton. That said, some models are more immune to strong BC 
> interference, if that's an issue for you (not for me.)
>
> I'm quite pleased with my Sark 110. It's accurate and has all the 
> features I'll ever need. I particularly like that it goes up to 2m, 
> unlike a lot of HF analyzers. It's terrific for taking measurements on 
> the tower -- can't beat the size. Some may criticize the small size, 
> but I haven't found it to be an issue. No problem seeing everything 
> with my old eyes, and there are some display modes that show numbers 
> like SWR larger. Pushing buttons with large fingers isn't an issue. I 
> sometimes wish for a larger, more rugged input port connector, but so 
> far it really hasn't been a problem. I have a little box full of 
> adapters and jumpers that I take with me up the tower. I guess I'd say 
> for field use the Sark-110 can't be beat, and I've found it useful in 
> the shack, too (and it has a USB interface with PC software, too.)
>
> 73, Dick WC1M
>
> ---Original Message-----
> From: Garry <g.drummond at verizon.net>
> Sent: Thursday, June 6, 2019 12:31 PM
> To: towertalk at contesting.com
> Subject: [TowerTalk] Antenna Analyzers
>
> Good Day,
> I am interesting in a graphical antenna analyzer and considering the 
> Rig Expert AA-30/54 or MFJ-226. If anyone has any experience with 
> these, I would appreciate any comments. Thanks & 73,Garry - K4OR
>
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