[TowerTalk] qrounded antenna desgin question

[Stone, Gary R.]

Hi Bill and TT,

No responses Bill - and that is a surprise from this group :-)

OK guys - what do you think?  (also - is the Tennadyne antennas likewise
constructed?)

My original post:

> Greetings,
>
>
>
> I have been using the Cushcraft 8 element log for awhile (about 1
month)
> - see eham reviews (ASL2010) if interested.
>
>
>
> My question:  This log is a 'grounded' design it seems.  The back
> (longest) element is grounded to the boom which is of course grounded
to
> the mast / tower.  The other 7 elements are insulated from the boom
but
> of course connected to the back element.  My observation so far is
that
> it seems a bit less noisy than the few yagi antennas I have used.   Is
> that because of the 'grounded' design?  Will this also be a little
help
> with static crashes and perhaps even lightning?  Are most Log Periodic
> antennas designed like this?
>
>
>
> My Yagi antennas have always had at least the driven element insulated
> from the boom and some of them have had all elements insulated from
the
> boom.
>
>
>
> Gary, N5PHT
>

Gary Stone, BA, LCDC  J

     Case Manager, DSAP

       O  903 - 583 - 6411

-----Original Message-----
From: Bill Gaines AD8P [mailto:ad8p at wcoil.com] 
Sent: Tuesday, May 01, 2007 6:47 PM
To: Stone, Gary R.
Subject: Re: [TowerTalk] qrounded antenna desgin question

Interesting question Gary. Please pass along any relevant responses you 
might get. I too am curious.

Bill AD8P


----- Original Message ----- 
From: "Stone, Gary R." <Gary.Stone at va.gov>
To: <towertalk at contesting.com>
Sent: Tuesday, May 01, 2007 1:52 PM
Subject: [TowerTalk] qrounded antenna desgin question


> Greetings,
>
>
>
> I have been using the Cushcraft 8 element log for awhile (about 1
month)
> - see eham reviews (ASL2010) if interested.
>
>
>
> My question:  This log is a 'grounded' design it seems.  The back
> (longest) element is grounded to the boom which is of course grounded
to
> the mast / tower.  The other 7 elements are insulated from the boom
but
> of course connected to the back element.  My observation so far is
that
> it seems a bit less noisy than the few yagi antennas I have used.   Is
> that because of the 'grounded' design?  Will this also be a little
help
> with static crashes and perhaps even lightning?  Are most Log Periodic
> antennas designed like this?
>
>
>
> My Yagi antennas have always had at least the driven element insulated
> from the boom and some of them have had all elements insulated from
the
> boom.
>
>
>
> Gary, N5PHT
>
>
>
>
>
> _______________________________________________
>
>
>
> _______________________________________________
> TowerTalk mailing list
> TowerTalk at contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
>
>
> -- 
> No virus found in this incoming message.
> Checked by AVG Free Edition.
> Version: 7.5.467 / Virus Database: 269.6.2/782 - Release Date:
5/1/2007 
> 2:10 AM
>
>