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From: Joerg <news@analogconsultants.com>
Newsgroups: sci.electronics.design
Subject: Re: Quarter-wave whip earth plane
Date: Mon, 10 Mar 2025 20:32:34 -0700
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On 3/10/25 7:11 PM, Dave Platt wrote:

[...]

> Once again, I'd suggest investing in a NanoVNA if you don't
> already have one.  They're very handy and will let you
> tweak and test your setup without putting your radio at any
> risk.
> 

+1

Initially you could just borrow one from another ham. Ultimately I'd get 
one (I did). They are particularly useful for the occasional camping 
trip. Some day you might want to play with HF antennas and every new 
location will be different. With a NanoVNA the tuning procedure will be 
much faster, leaving more time for chats on the ham bands. Or to get the 
steak started :-)

Just an example: When I built a 2m yagi from scrap metal it took me 
around 10 trips up and down the ladder to adjust the gamma match, always 
with a run back into the house to check the SWR meter. When I built my 
220MHz yagi I had a NanoVNA -> one trip up and down the ladder, done. 
Ok, so a NanoVNA might cause weight gain ...

-- 
Regards, Joerg (AJ6QL)

http://www.analogconsultants.com/