[Elecraft] K2 tuner and G5RV

Gary Gregory vk1zzgary at gmail.com
Wed Feb 13 20:46:47 EST 2013


Sorry Don, I use a 40M Double extended Zepp, when I can find a couple of
tall trees with nothing in between.

Not easy in a country where the National Average Height for trees is an
amazing 5 metres high...:-)

*Getting* the height is easy, *finding* the trees is a little more
difficult.

73
Gary

On 14 February 2013 12:20, Brian Alsop <alsopb at nc.rr.com> wrote:

> Ariel,
>
> Please explain to me how your SWR measurements translate to ERP.
>
> There are a whole bunch of things potentially between your rig and the
> antenna.  Then of course there is antenna pattern.
>
> I once had a summer job at Airborne Instruments Labs.  Part of the "summer
> trainee" job was to listen to lectures from some of the engineers.
>
> One particular engineer knew hams worshiped SWR.  He showed us their
> latest satellite antenna.  It had a 5:1 SWR few relative to 50 ohms. Their
> measurments showed no measurable loss due to mismatch.   Why? The length of
> the feedline was 6".
>
> 73 de Brian/K3KO
>
>
>
>
> On 2/14/2013 00:23, Ariel Jacala wrote:
>
>> I second Gerald.  The Zs6 is a much more efficient antenna and provides a
>> better balance of performance.  I got DXCC on the G5RV but I got DXCC  -
>> QRP on the ZS6BKW.  I took comparative measurements of SWR using an AA-200
>> analyzer between the two and you can read it on my blog at
>> http://www.ny4g.blogspot.com.
>>
>> The ZS6BKW is not a perfect antenna but it is the least imperfect of the
>> simple single wire antennas IMHO.  If you want a better multiband, you can
>> try the super loop but it is a multiple wire delta loop.
>>
>> The K2 will tune a G5RV but your ERP will be better on the ZS6
>>
>> Ariel NY4G
>>
>> Sent from my iPhone
>>
>> On Feb 13, 2013, at 5:18 PM, "Gerald Manthey" <kc6cnn at gmail.com> wrote:
>>
>>  I would prefer the ZS6BKW , it is a improved G5RV. Google it and I think
>>> you will be impressed compared to the G5RV 102.
>>> Just my option.
>>> Gerald- KC6CNN
>>> On Feb 13, 2013 4:14 PM, "Paul and Sue Huff" <phuff at mi.rr.com> wrote:
>>>
>>>  Here in the dead of winter I am thinking about spring antenna projects.
>>>> One of the antennas that I am considering is a basic 102 ft G5RV.  I
>>>> would
>>>> be interested in hearing about any experience that anyone has had with
>>>> this
>>>> antenna and a K2 (QRP) with the internal antenna tuner.  Is the tuner
>>>> able
>>>> to provide a match on all bands from 80 to 10?  (I don't work 60
>>>> meters).
>>>>
>>>> Thanks in advance for any information that you might have to share.
>>>>
>>>> 73,
>>>> Paul - N8XMS
>>>>
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-- 
*Gary - VK1ZZ
Skype: Gary.VK1ZZ
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