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From:
Gerry Creager - NOAA Affiliate <[log in to unmask]>
Reply To:
OU Amateur Radio Club <[log in to unmask]>, Gerry Creager - NOAA Affiliate <[log in to unmask]>
Date:
Wed, 25 May 2016 19:32:55 -0500
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Ah, but an inverted L at 20-25 feet max doesn't approximate a vertical
below about 15 meters. However, dipoles are more common in the community,
and that's a recommendation. I'll be testing the short-haul capabilities of
that sort of antenna soon enough at the new QTH.

Gerry N5JXS

On Wednesday, May 25, 2016, Kim Elmore - NOAA Affiliate <[log in to unmask]>
wrote:

> I don't think so. Most e-comms are relatively short ranges. Inverted Ls
> act like top loaded verticals and require good ground systems for decent
> efficiency. A dipole 1/4 wave high will be a fair bit better. I also
> recommend the same thing as a FD antenna. We're in the middle of the US; a
> beam doesn't create a particular advantage compared to a dipole and is a
> LOT more trouble.
>
> Kim N5OP
>
> On Wednesday, May 25, 2016, Gerry Creager - NOAA Affiliate <
> [log in to unmask]
> <javascript:_e(%7B%7D,'cvml',[log in to unmask]);>> wrote:
>
>> Wondering if inverted L's might be a better choice than dipoles,
>> especially for emergency Comms, if there are tuners present?
>>
>> Gerry
>>
>> On Wednesday, May 25, 2016, Mark Kleine <[log in to unmask]> wrote:
>>
>>> Chris is running the show for FD 16. All info is current on front of
>>> http://w5not.org
>>>
>>>
>>>
>>> Phone station with 29, 15 and 40 m dipoles.
>>>
>>> Ce station with longwire like last year.
>>>
>>> GOTA station with vertical about 225’ north of tent.
>>>
>>>
>>>
>>> Ih yea, A/C tent…
>>>
>>>
>>>
>>> Mark
>>> 405-579-6756
>>>
>>>
>>>
>>> *From: *Kim Elmore
>>> *Sent: *Wednesday, May 25, 2016 2:50 PM
>>> *To: *[log in to unmask]
>>> *Subject: *Re: QST de W5TC
>>>
>>>
>>>
>>> I have the crimping dies and a crimp tool, as well :) But, believe it or
>>> not, I also know how to solder the things.
>>>
>>> Kim N5OP
>>>
>>>
>>>
>>> On 5/25/2016 2:49 PM, Gerry Creager - NOAA Affiliate wrote:
>>>
>>> I can crimp PL-259's. I'll lay in a stock. However, the spousal unit is
>>> considering a visit to the Kid in Texas that weekend, and if she decides we
>>> go, I'm out of the decision loop... In that case, I can teach someone how
>>> to crimp, and hand over the toolbag.
>>>
>>>
>>>
>>> gerry
>>>
>>>
>>>
>>> On Wed, May 25, 2016 at 2:43 PM, Kim Elmore <[log in to unmask]> wrote:
>>>
>>> I hope someone has learned to solder (better yet, crimp) PL-259s...
>>>
>>> Kim N5OP
>>>
>>>
>>>
>>> On 5/25/2016 2:40 PM, Peter Laws wrote:
>>>
>>> As far as I know, yes!  Chris Pape, KE5JZN, is FD Chair again this year.
>>>
>>>
>>>
>>> Peter
>>>
>>> --
>>>
>>> Peter Laws, BS, MRCP / N5UWY
>>>
>>> National Weather Center / Network Operations Center
>>>
>>> University of Oklahoma Information Technology
>>>
>>> [log in to unmask]
>>>
>>>
>>>
>>>
>>>
>>> On Wed, May 25, 2016 at 2:29 PM, Brewster, Keith A. <[log in to unmask]> wrote:
>>>
>>> For once I will be in Normantowne for Field Day, is SCARS going to be at Reaves Park?
>>>
>>>
>>>
>>> de Keith N0IAW
>>>
>>>
>>>
>>> -----Original Message-----
>>>
>>> From: OU Amateur Radio Club [mailto:[log in to unmask]] On Behalf Of Peter Laws
>>>
>>> Sent: Wednesday, May 25, 2016 1:09 PM
>>>
>>> To: [log in to unmask]
>>>
>>> Subject: QST de W5TC
>>>
>>>
>>>
>>> A couple of things ...
>>>
>>>
>>>
>>> 1) Who is around this summer?  Field Day is coming up and SCARS always needs operators.  Ham Holiday is in July, too, and we should probably consider selling some of the stuff we've accumulated.
>>>
>>>
>>>
>>> 2) Who is on this mailing list and would like to be removed?  You can do it yourself (send an email to [log in to unmask] with 'unsub ouarc-l' in the body of the message) or you can send me a note
>>>
>>> ([log in to unmask]) and I can do it for you.
>>>
>>>
>>>
>>>
>>>
>>> 73,
>>>
>>> Peter
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>> --
>>>
>>> Peter Laws, BS, MRCP / N5UWY
>>>
>>> National Weather Center / Network Operations Center University of Oklahoma Information Technology [log in to unmask]
>>>
>>>
>>>
>>> --
>>>
>>> Kim Elmore, Ph.D. (Adj. Assoc. Prof., OU School of Meteorology, CCM, PP
>>> SEL/MEL/Glider, N5OP, 2nd Class Radiotelegraph, GROL)
>>>
>>> *"In theory there is no difference between theory and practice. But, in
>>> practice, there is." – Attributed to many people; it’s so true that it
>>> doesn’t matter who said it.*
>>>
>>>
>>>
>>>
>>>
>>> --
>>>
>>> Gerry Creager
>>>
>>> NSSL/CIMMS
>>>
>>> 405.325.6371
>>>
>>> ++++++++++++++++++++++
>>>
>>> “Big whorls have little whorls,
>>>
>>> That feed on their velocity;
>>>
>>> And little whorls have lesser whorls,
>>>
>>> And so on to viscosity.”
>>>
>>> Lewis Fry Richardson (1881-1953)
>>>
>>>
>>>
>>> --
>>>
>>> Kim Elmore, Ph.D. (Ad
>>>
>>>
>>>
>>
>>
>> --
>> Gerry Creager
>> NSSL/CIMMS
>> 405.325.6371
>> ++++++++++++++++++++++
>> “Big whorls have little whorls,
>> That feed on their velocity;
>> And little whorls have lesser whorls,
>> And so on to viscosity.”
>> Lewis Fry Richardson (1881-1953)
>>
>>
>
> --
>
> Kim Elmore, Ph.D. (Adj. Assoc. Prof., OU School of Meteorology, CCM, PP
> SEL/MEL/Glider, N5OP, 2nd Class Radiotelegraph, GROL)
>
> *"In theory there is no difference between theory and practice. But, in
> practice, there is." – Attributed to many people; it’s so true that it
> doesn’t matter who said it.*
>
>

-- 
Gerry Creager
NSSL/CIMMS
405.325.6371
++++++++++++++++++++++
“Big whorls have little whorls,
That feed on their velocity;
And little whorls have lesser whorls,
And so on to viscosity.”
Lewis Fry Richardson (1881-1953)


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