[amsat-bb] Re: Antenna Opinions?

[Mark L. Hammond]

Okay, my 35 ele M2 is about 10 feet long:
http://www.m2inc.com/index2.html


They do sell a 22 element version that is about 6' long:
http://www.m2inc.com/index2.html

Mark N8MH

On Wed, Sep 22, 2010 at 9:10 AM, Mark L. Hammond <marklhammond at gmail.com> wrote:
> I installed one of these a few months ago, in place of my 20-turn Wimo
> helix.  Both are nice antennas, but I'll give the edge to the M2 yagi
> (more gain and it mounts balanced on the elevation boom).   I have
> mine with vertical polarity.   Since AO-51 is linear on L-band, it
> shouldn't matter--but putting that little antenna horizontal in line
> with my metal boom didn't seem to make much sense....
>
> 73,
>
> Mark N8MH
>
> On Wed, Sep 22, 2010 at 8:50 AM, Stan, W1LE <stanw1le at verizon.net> wrote:
>>  M2 makes a 35 element 1296 MHz yagi, on about a 6' boom.
>> individual elements are insulated "thru the boom" with keepers.
>> Folded dipole driven element.
>> I used 2 each stacked vertically for AO-40. Yes, they are pointy.
>>
>> Stan, W1LE      Cape Cod     FN41sr
>>
>>
>>
>> On 9/22/2010 1:52 AM, Art McBride wrote:
>>> Greg,
>>>   I would keep the one that works the best.
>>> I have been disappointed in the performance of long boom Yagi's for UHF.
>>> Resistance loss in the elements often reduces the gain by several dB over
>>> calculated gain. Also they are very narrow band, the helix is good for an
>>> octave.
>>> Art,
>>> KC6UQH
>>> --
>>
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>
>
>
> --
> Mark L. Hammond [N8MH]
>



-- 
Mark L. Hammond [N8MH]