No, the Tennadyne booms are both insulated from the mast or at least my T6 is.
Clint - W5CPT
----- Original Message -----
From: Stone, Gary R.
To: Bill Gaines AD8P
Cc: towertalk@contesting.com
Sent: Thursday, May 03, 2007 7:38 AM
Subject: Re: [TowerTalk] qrounded antenna desgin question
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@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@va.gov>
To: <towertalk@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@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
>
>
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