[CQ-Contest] TH7 Replacement

Ria Jairam rjairam at gmail.com
Tue Aug 8 13:26:02 EDT 2017


It has 5 elements, a relay switching network and passive fixed elements for 6m.

Ria, N2RJ

On Tue, Aug 8, 2017 at 10:24 AM, Mike Ricketts <mike.nd9g at gmail.com> wrote:
> 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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