[bars] 20m Directional Antenna

gmm ka1rrw at yahoo.com
Sun May 21 20:31:48 EDT 2023



A 20-meter beam works best when placed 60-90 feet above the ground.
There may be some good reports existing some where that will give better 
details.

I had a tri-band antenna at 55 feet.  It worked ok.
A Mono-Band Yagi antenna, will always work better than a Multiple band 
yagi antenna.

I don't like Coax losses, so I now always use LMR-600-Untra Flex, coax 
cable.
The loss on HF with LMR-600 is so low, I don't even think about it.
Also, you cant melt LMR-600 with 1,500 watts.
You can melt RG-8   with bad SWR and 1,500 watts.

Miles wf1f

On 5/21/2023 8:19 PM, Jason M. Sanroma - K1NAD wrote:
>
> Hello,
>
> I am looking into getting a 20m directional antenna set up at my QTH. 
> But I am not sure exactly what I am looking for at the moment and 
> would like to hear some suggestions if any of you have any.
>
> I have a few specific questions that will help to form my choice:
>
> 1.
>
>     1. What are the key factors to consider when selecting a
>     directional antenna for 20-meter operations? Are there any
>     specific specifications or features I should be looking for?
>
> 2.
>
>     2. Could you please suggest some reputable brands or models that
>     have proven to be effective for 20-meter communications? If you
>     have personal experience with any of these antennas, I would
>     greatly value your insights.
>
> 3.
>
>     3. Are there any particular antenna types that are known to
>     perform well for 20-meter operations? I would like to understand
>     the pros and cons of different designs, such as Yagi,
>     Log-Periodic, or Magnetic Loop antennas, in order to make an
>     informed decision.
>
> 4.
>
>     4. Considering the budget aspect, are there any cost-effective
>     options or DIY antenna projects that I could explore? I am willing
>     to invest time and effort if it leads to a more affordable
>     solution without compromising performance significantly.
>
> 5.
>
>     5. Lastly, do you have any additional advice or tips that could
>     help me in my quest for a 20-meter directional antenna? Any
>     personal experiences or lessons learned that you would be willing
>     to share would be invaluable to me.
>
> Thank you for your time and I hope to hear some of your suggestions!
>
> 73,
>
> Jason Sanroma K1NAD
>
>
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