REFLECTOR: Antenna length vs ground plane

Laurence Coen lwcoen at hotmail.com
Thu Mar 10 11:48:02 CST 2011


Scott,

A dipole antenna has NO ground plane.  A ground plane antenna is a type of 
antenna.

Larry Coen
N136LC

--------------------------------------------------
From: "Scott Derrick" <scott at tnstaafl.net>
Sent: Thursday, March 10, 2011 11:17 AM
To: "Velocity Aircraft Owners and Builders list" <reflector at tvbf.org>
Subject: REFLECTOR: Antenna length vs ground plane

> Lets not mix apples and oranges here.
>
> For 406 Mhz
>
> A half wave antenna is 14" and the ground plane is 48"
>
> A quarter wave antenna is 7" and the ground plane is 14"
>
> I'm no expert but I did stay in a Motel 6 a few weeks ago!
>
> Scott
>
> -------- Original Message --------
> Subject: Re: REFLECTOR: Images in reflector
> From: Laurence Coen <lwcoen at hotmail.com>
> To: Velocity Aircraft Owners and Builders list <reflector at tvbf.org>
> Date: 03/10/2011 10:06 AM
>
>> David,
>>
>> It isn't the Reflector that is archaic' it's Outlook. Switch to Windows
>> Live Mail (free) and I think your problems will go away. A half wave
>> dipole antenna for 406 Mhz is 14" total length. Why the supplied antenna
>> is a 1/2 wave ground plane is a mystery to me.
>>
>> Larry Coen
>> N136LC
>>
>> --------------------------------------------------
>> From: "David Ullman" <ullman at robustdecisions.com>
>> Sent: Thursday, March 10, 2011 10:25 AM
>> To: <reflector at tvbf.org>
>> Subject: Re: REFLECTOR: Images in reflector
>>
>>> Maybe I am missing something here. Doug's message on ELT antennas says
>>> that
>>> "Picture Attached". I use Outlook and have no link to any picture. I 
>>> have
>>> always had trouble seeing images that others share in Reflector. Is it
>>> just
>>> me?? I really would like to see Doug's installation as the ELT is one
>>> of my
>>> last steps.
>>>
>>> Frankly, I think Reflector archaic and generally hard to use as I see
>>> multiple copies of messages as people respond to them (I realize that
>>> each
>>> person should delete the prior messages so they don't get copied, but
>>> many
>>> don't). Again, is it just me?
>>>
>>> David G. Ullman
>>> Robust Decisions
>>> ullman at robustdecisions.com
>>> 541-754-3609
>>>
>>>
>>>
>>> __________ Information from ESET Smart Security, version of virus
>>> signature
>>> database 5942 (20110310) __________
>>>
>>> The message was checked by ESET Smart Security.
>>>
>>> http://www.eset.com
>>>
>>>
>>> _______________________________________________
>>> To change your email address, visit
>>> http://www.tvbf.org/mailman/listinfo/reflector
>>>
>>> Visit the gallery! www.tvbf.org/gallery
>>> user:pw = tvbf:jamaicangoose
>>> Check new archives: www.tvbf.org/pipermail
>>> Check old archives: http://www.tvbf.org/archives/velocity/maillist.html
>>>
>> _______________________________________________
>> To change your email address, visit
>> http://www.tvbf.org/mailman/listinfo/reflector
>>
>> Visit the gallery! www.tvbf.org/gallery
>> user:pw = tvbf:jamaicangoose
>> Check new archives: www.tvbf.org/pipermail
>> Check old archives: http://www.tvbf.org/archives/velocity/maillist.html
>>
>
> -- 
> Sin makes its own hell, and goodness its own heaven.
> Mary Baker Eddy
> _______________________________________________
> To change your email address, visit 
> http://www.tvbf.org/mailman/listinfo/reflector
>
> Visit the gallery!  www.tvbf.org/gallery
> user:pw = tvbf:jamaicangoose
> Check new archives: www.tvbf.org/pipermail
> Check old archives: http://www.tvbf.org/archives/velocity/maillist.html
> 


More information about the Reflector mailing list