Topband: T2FD Antennas

W0UCE w0uce at nc.rr.com
Fri Aug 3 19:12:18 PDT 2012


While I was selling, designing and installing Military, Embassy and Coastal
Radio Station upgrades and new installations all over Asia and their
counterparts around the world I was amazed how many B&W Folded Dipoles were
specified in tenders, solicitations and requirement documents.  I sold
hundreds of them, the customer received what the customer wants and paid
for.

-----Original Message-----
From: topband-bounces at contesting.com [mailto:topband-bounces at contesting.com]
On Behalf Of Herb Schoenbohm
Sent: Friday, August 03, 2012 11:30 AM
To: topband at contesting.com
Subject: Re: Topband: Antennas

Price,  The Military and U.S. Embassies use T2FD type of antennas all 
over their deployment perhaps due to the fact that they do work as long 
as you have plenty of horsepower to feed them with.  I think the 
requirement of frequency agility for their requirement outweighs the 
inherent inefficiency.  If you don't mind putting a "radiating dummy 
load" in the air then perhaps it is not such a bad idea.  The design is 
still part of the military nomenclature with an ANN number and their is 
one on the VI national Guard building a few blocks from my office.  It 
is hooked to a 10KW Harris 2-30 Mhz box to connect to FEMA Region 2 on a 
multitude of  frequencies driving by the propagation at the moment.  The 
T2FD mil spec version is supposed to be rugged enough to work through 
and survive a Cat 4 hurricane. None of my antennas nor towers could make 
that claim.


Herb Schoenbohm, KV4FZ



On 8/3/2012 10:21 AM, HAROLD SMITH JR wrote:
> Hi Tom,
>
> I am suprised that no one has brought up the "T2FD" antenna and
> of course the B&W "All-Band" antenna.
>
> It was in one of the magazines back in the (50s?).
>
> 73
> Price W0RI
> _______________________________________________
> UR RST IS ... ... ..9 QSB QSB - hw? BK

_______________________________________________
UR RST IS ... ... ..9 QSB QSB - hw? BK



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