I live in northwest Kansas, alomost in colorado. It would depend on
ba band conditions I think.
73
Butch
WA0VJR
Node 3148
Wallace, ks.
On Fri, 1 Aug 2014, Mark wrote:
> Hi Butch,
>
> I live in Illinois. Where do you live?
>
> God bless,
> Mark WZ0K
>
> -----Original Message-----
> From: For blind ham radio operators [mailto:[log in to unmask]]
> On Behalf Of Butch Bussen
> Sent: Friday, August 1, 2014 11:13 AM
> To: [log in to unmask]
> Subject: Re: Changing Quarter wave formula to match Height above ground
>
> Where do you live? We could try 40 some time.
> 73
> Butch
> WA0VJR
> Node 3148
> Wallace, ks.
>
>
> On Thu, 31 Jul 2014, Mark
> wrote:
>
>> Hi Butch,
>>
>> Well, I do have some good news. I was thinking of the quarter wave
> formula,
>> like you said, because each leg of the Dipole is a quarter wave. However,
>> after sending the Email I kept at tuning the antenna and now I have a
>> section of 75 meters that is at 1.4 to 1, and the top end of 40 meters is
> at
>> 1 to 1. I'm smiling.
>>
>> I have been getting 59s and 58s this afternoon on 40 meters. This even
> with
>> the bad band conditions. I am one happy person.
>>
>> God bless,
>> Mark WZ0K
>>
>> -----Original Message-----
>> From: For blind ham radio operators [mailto:[log in to unmask]]
>> On Behalf Of Butch Bussen
>> Sent: Thursday, July 31, 2014 6:11 PM
>> To: [log in to unmask]
>> Subject: Re: Changing Quarter wave formula to match Height above ground
>>
>> What kind of antenna, a dipole? This is for a quarter wave, but of
>> course, that would be a quarter wave each side of center on a dipole.
>> Heighth above ground really won't change the formula, I usually cut a
>> little long just in case. Ground conductivity, surounding objects and
>> all of that effecdt the tuning of an antenna.
>> 73
>> Butch
>> WA0VJR
>> Node 3148
>> Wallace, ks.
>>
>>
>> On Thu, 31 Jul 2014, Mark
>> wrote:
>>
>>> Hi
>>>
>>> My understanding is that the standard formula 234 divided by the
> frequency
>>> in MHz is for a quarter wave mounted a half wave above ground. Will I
> need
>>> to make the antenna longer or shorter as it gets closer to ground? To be
>>> honest my antenna is about a 1/6 wave above ground. I am thrilled to get
>> it
>>> that high. It was laying directly on earth for about a week. Smile.
>>>
>>> God bless,
>>> Mark
>>>
>>>
>>
>>
>
>
|