[CQ-Contest] TH7 Replacement

Mike Ricketts mike.nd9g at gmail.com
Tue Aug 8 10:24:55 EDT 2017


I think the DB42 has 5 adjustable elements (3 loop and 2 straight).  I
believe there are also a few smaller fixed elements in between.

73,
Mike ND9G

On Tue, Aug 8, 2017 at 7:10 AM, john at kk9a.com <john at kk9a.com> wrote:

> Gain is a function of boom length however you need enough parasitic
> elements for the Yagi to work.  The MonstIR DB42 has a boom length of 42.5
> feet with four loop elements and two straight elements. This is the only
> MonstIR that I see on the SteppIR site so I am guessing that this is the
> antenna you are referring to.  Are only the loop elements motorized? 4
> elements on a 42.5 foot boom seem to be pretty big spacing for 20m and
> higher.  For example my homebrew 4el 20m OWA beam is pretty wide spaced
> and it only has a 32 foot boom.
>
> John KK9A
>
>
> To:     cq-contest at contesting.com, k9yc at arrl.net
> Subject:        Re: [CQ-Contest] TH7 Replacement
> From:   Ria Jairam <rjairam at gmail.com>
> Date:   Mon, 07 Aug 2017 21:04:05 +0000
>
>
> I have had a SteppIR (MonstIR, the big one like what they had at 6Y1V).
>
> Instead I will just enjoy beating them in the
> pileups since the 4 elements perform like 5.
> 73
> Ria, N2RJ
>
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